初中英语常见句型

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初中英语句型的总结归纳

初中英语句型的总结归纳

初中英语句型的总结归纳初中英语学习中,句型是我们学习和应用语法知识的基础。

通过掌握并熟练运用不同的句型,我们能够更准确地表达自己的意思,提升英语口语和写作能力。

本文将对初中英语中常见的句型进行总结归纳。

一、陈述句句型1. 主语 + be动词 + 表语例如:I am a student.(我是一个学生。

)2. 主语 + 动词 + 宾语例如:She likes playing basketball.(她喜欢打篮球。

)3. 主语 + 动词 + 间接宾语 + 直接宾语例如:My mom bought me a new book.(我妈妈给我买了一本新书。

)4. 主语 + 动词 + 宾语 + 宾补例如:We elected him president.(我们选举他为总统。

)二、疑问句句型1. 疑问词 + be动词 + 主语 + 表语?例如:What is your name?(你叫什么名字?)2. 疑问词 + 动词 + 主语 + 宾语?例如:Where did you go last night?(你昨晚去哪里了?)3. 特殊疑问句:疑问词 + 动词 + 其他成分 + 一般疑问句?例如:How many books do you have?(你有多少本书?)三、否定句句型1. 主语 + do/does/did + not + 动词原形例如:I do not like swimming.(我不喜欢游泳。

)2. 主语 + be动词 + not + 表语例如:He is not a doctor.(他不是医生。

)四、祈使句句型1. 动词原形 + 宾语例如:Open the window.(打开窗户。

)2. Let + 宾语 + 动词原形例如:Let me help you.(让我来帮你。

)五、感叹句句型1. What + a/an + 形容词 + 名词 + 主语 + 动词!例如:What a beautiful flower it is!(多么漂亮的花啊!)2. How + 形容词/副词 + 主语 + 动词!例如:How fast he runs!(他跑得多快啊!)六、条件句句型1. if + 现在时态,将来时态例如:If it rains, we will stay at home.(如果下雨,我们会呆在家里。

初中英语 句型

初中英语 句型

初中英语句型1.简单句Subject + Verb + ObjectI like apples.She studies hard.Subject + VerbHe runs.Birds fly.2.并列句Subject + Verb + and + VerbI eat and sleep.She sings and dances.Subject + Verb + but + VerbI like apples, but I don't like oranges.It's raining, but I will go out.3.复合句Subject + Verb + because + Subject + VerbI stayed home because it was raining.She studied hard because she wanted to get good grades.Subject + Verb + if + Subject + VerbI will go to the park if the weather is nice.She will come to the party if she is free.4.时态现在时I play soccer every weekend.She is reading a book now.过去时I played soccer yesterday.She read a book last night.将来时I will play soccer next weekend.She will read a book tomorrow.5.疑问句一般疑问句Do you like apples?Is she studying now?特殊疑问句What do you like?Where is she studying?掌握这些常见的句型,可以帮助你在初中英语写作和口语表达中更加流畅和准确。

50个初中英语句型

50个初中英语句型

50个初中英语句型1. as soon as 一…就…2. (not) as/so…as 不如3. as…as possible 尽可能地4. ask sb for sth.. 请求,要求5. ask/tell sb. (how) to do sth. 请教/告诉某人如何做…6. ask/tell sb. (not) to do sth. 请/告诉某人做/不做某事7. be afraid of doing sth. / that… 害怕做某事/害怕,担心…8. be busy doing 忙于做某事9. be famous/late/ready/sorry for… 以…著名10. be glad that… 高兴…11. both…and… …与…两者都…12. buy/give/show/send/pass/bring/lend/tell sb. sth. 为某人买某物13. either…or 要么…要么…14. enjoy/hate/finish/mind/keep/go on doing 喜欢做某事15.get+比较级半功倍变得越…16. get on with 与…相处17. get ready for/get sth. ready 为…做准备18. give/show/bring/lend/send/pass/ tell sth to sb. 把…给某人19. had better (not) do 最好做/不做20. help sb (to) do/help sb. with 帮某人做某事21. don’t think that... 认为…不…22. I would like to…/would you like to…? 我想做…23. It takes sb some time to do sth. 花费某人…时间做某事24. it’s bad /good for… 对...有害处25. it’s important for sb to do sth. 对于某人来说做…是重要的26. It’s time for…/to do sth. 对于…来说是做…的时间了。

初中英语学习必背的62个句型,句句经典!

初中英语学习必背的62个句型,句句经典!

句型1:There+be +主语+地点状语/时间状语 There’s a boat in the river. 河里有条船。

 句型2:What’s wrong with+sb./sth.? What’s wrong with your watch? 你的手表有什么毛病? 句型3:How do you like...? How do you like China? 你觉得中国怎么样? 句型4:What do you like about...? What do you like about China?你喜欢中国的什么? 句型5:had better(not)+动词原形 You’d better ask that policeman over there. 你最好去问问那边的那个警察。

 句型6:How+adj. / adv. +主语+谓语! What a/an+adj. +n. +主语+谓语! How cold it is today ! 今天多冷啊! What a fine picture it is! 多美的一幅图画呀! 句型7:Thank+sb. +for (doing) sth.Thank you for coming to see me. 感谢你来看我。

 句型8:So+be/ 情态动词/ 助动词+主语 He is a student. So am I. 他是一个学生,我也是。

句型9:... not ... until ... He didn’t have supper until his parents came back. 直到他的父母回来他才吃饭。

句型10:比较级+and+比较级 The baby cried harder and harder. 那孩子哭得越来越厉害。

 句型11:the +比较级,the +比较级 The more one has,the more one wants. 越有越贪。

初中英语句型及总结归纳

初中英语句型及总结归纳

初中英语句型及总结归纳英语是我们学习的一门重要课程,而句型是英语中的基础。

在初中英语学习中,我们掌握了许多常用的句子结构,这些句型在日常交流和写作中都起到了关键的作用。

本文将对初中英语的句型进行总结归纳,帮助大家更好地掌握和运用这些句型。

一、陈述句陈述句是我们最常用的句子类型,用来陈述事实、描述情况。

以下是一些常见的陈述句型:1. 主语 + 动词 + 宾语例如:I like pizza.(我喜欢比萨。

)2. 主语 + be动词 + 表语例如:She is a teacher.(她是一名教师。

)3. 主语 + do/does + 动词原形例如:They do their homework every day.(他们每天做作业。

)4. 主语 + have/has + 过去分词例如:He has finished his homework.(他已经完成了作业。

)二、疑问句疑问句用于提问,帮助我们获取信息。

以下是一些常见的疑问句型:1. 疑问词 + 助动词 + 主语 + 动词?例如:What do you like?(你喜欢什么?)2. 助动词 + 主语 + 动词?例如:Do you play basketball?(你打篮球吗?)3. 特殊疑问句例如:Where did you go yesterday?(你昨天去哪里了?)三、祈使句祈使句用于表达请求、命令或建议。

以下是一些常见的祈使句型:1. 动词原形 + 其他成分例如:Open the window, please.(请打开窗户。

)2. 动词原形 + 不定代词/名词例如:Eat some fruit.(吃些水果。

)四、感叹句感叹句用于表达惊讶、赞美、喜悦等情感。

以下是一些常见的感叹句型:1. How + 形容词/副词 + 主语 + 动词!例如:How beautiful the flowers are!(花儿多美啊!)2. What + 形容词 + 名词 + 主语 + be动词!例如:What a lovely dog he has!(他有一只多可爱的狗啊!)五、条件句条件句用于表达假设、条件和结果之间的关系。

初中英语16种语法句型

初中英语16种语法句型

初中英语16种语法句型初中英语16种语法句型包括:1. 主语+不及物动词:My dog bark every day.我的狗每天都叫。

2. 主语+及物动词+宾语:John likes English.约翰喜欢英语。

3. 主语+及物动词+间接宾语+直接宾语:My mother bought me a new car.我妈妈给我买了一辆新车。

4. 主语+及物动词+宾语+宾语补足语:We elected him president.我们选他当总统。

5. 主语+系动词+表语:She is a doctor.她是一名医生。

6. There be结构:There is a book on the table.桌子上有一本书。

7. 主语+不及物动词+主语补足语:They elected him president.他们选他当总统。

8. 主语+及物动词+间接宾语+直接宾语+主语补足语:The novel won John the first prize.这本小说使约翰获得了一等奖。

9. 时间状语从句:When I was young,I often played football.我年轻时经常踢足球。

10. 条件状语从句:If it rains,we will stay at home.如果下雨,我们就待在家里。

11. 原因状语从句:Because we didn't have enough time,we couldn't finish the work.因为我们没有足够的时间,所以我们无法完成这项工作。

12. 目的状语从句:So that we can improve our English,we often listen to the English program.为了提高我们的英语水平,我们经常听英语节目。

13. 结果状语从句:He worked so hard that he passed the exam.他学习非常努力,因此他通过了考试。

初中英语重要的60个句型

初中英语重要的60个句型

初中英语重要的60个句型在初中英语学习阶段,句型和语法、词汇、短语一样重要。

掌握一些核心句型,对于学习和考试可以起到事半功倍的效果,写作文时也不会再发愁句子该怎么写了!句型1:There+be +主语+地点状语/时间状语There’s a boat in the river.河里有条船。

句型2:What’s wrong with+sb. / sth. ?What’s wrong with your watch?你的手表有什么毛病?句型3:How do you like...?How do you like China?你觉得中国怎么样?句型4:What do you like about...?What do you like about China?你喜欢中国的什么?句型5:had better(not)+动词原形You’d better ask that policeman over there.你最好去问问那边的那个警察。

句型6:How+adj. / adv. +主语+谓语! ;What a/an+adj. +n. +主语+谓语! How cold it is today !今天多冷啊!What a fine picture it is!多美的一幅图画呀!句型7:Thank+sb. +for (doing) sth.Thank you for coming to see me.感谢你来看我句型8:So+be/ 情态动词/ 助动词+主语He is a student. So am I.他是一个学生,我也是。

句型9:... not ... until ...He didn’t have supper until his parents came back.直到他的父母回来他才吃饭。

句型10:比较级+and+比较级The baby cried harder and harder.那孩子哭得越来越厉害。

初中阶段最常见的 40 个句型

初中阶段最常见的 40 个句型

初中阶段最常见的40 个句型句型1:There+be +主语+地点状语/ 时间状语There's a boat in the river.河里有条船。

句型2:I think “我认为.…” 否定式I don't think...I think he is a good student.我认为他是个好学生。

I don't think any of them is interesting.我认为他们中任何一个都无趣。

句型3:too...to..… 太……而不能……He is too young to go to school.他太小了不能去学校。

句型4:It takes sb some time to do sth “干某事花了某人一段时间”,it是形式主语,后面的动词不定式(短语)才是真正的主语。

It takes him four hours to finish his homework.写作业花费了他四个小时。

句型5:Though...+主句Though I like writing to my pen-friend,it takes a lot of time.虽然我喜欢给笔友写信,但它要耗费我大量时间。

句型6:What about...?/How about...? “.…怎么样?”,about 为介词,其后须接名词、代词或V-ing 等形式What about another cake? 再吃块蛋糕好吗?How about going out for a walk? 出去散散步好吗?句型7:What's wrong with+sb. / sth. ?此句型相当于What's the matter/trouble with.后+某物作宾语时,意为“某物出什么毛病了?”后+某人作宾语时,意为“某人怎么了?”What's wrong with your watch?你的手表有什么毛病?句型8:How do you like...?How do you like China?你觉得中国怎么样?句型9:What do you like about...?What do you like about China?你喜欢中国的什么?句型10:How+adj. / adv. +主语+谓语!What a/ an+adj. +n. +主语+谓语!How cold it is today!今天多冷啊!What a fine picture it is!多美的一幅图画呀!句型11:had better(not)+动词原形You'd better ask that policeman over there.你最好去问问那边的那个警察。

初中英语基本句型大全

初中英语基本句型大全

初中英语基本句型大全1. 主语 + be动词- I am a student.- She is my sister.2. 主语 + 动词- They play soccer.- He sings well.3. 主语 + 动词 + 直接宾语- We eat apples.- Mary likes ice cream.4. 主语 + 动词 + 间接宾语 + 直接宾语- Mike gave me a present.- My parents bought me a new bike.5. 主语 + 动词 + 宾语 + 宾语补足语- I find the book interesting.- We consider him our best friend.6. 主语 + 助动词 + 动词- They can swim.- He should study harder.7. 主语 + be动词 + 形容词- The weather is beautiful.- My dog is cute.8. 主语 + be动词 + 名词- She is a teacher.- They are students.9. 主语 + be动词 + 不定式- I am happy to see you.- He is ready to go.10. 主语 + be动词 + 现在分词- The children are playing in the park.- The flowers are blooming beautifully.11. 主语 + be动词 + 过去分词- The house was built last year.- The cake was eaten by the children.12. 主语 + have/has + 过去分词- I have finished my homework.- She has written a letter.13. 主语 + have/has + been + 现在分词- We have been waiting for an hour.- He has been studying all day.14. 主语 + have/has + been + 过去分词- They have been invited to the party.- She has been praised for her hard work.15. 主语 + was/were + 动词的-ing形式- I was reading a book when he called.- They were playing basketball at that time.16. 主语 + 动词不定式- You should listen carefully.- We need to study for the test.17. 主语 + 即将/打算 + 动词原形- I am going to visit my grandparents next week.- They are planning to go on a trip.18. 主语 + can/could + 动词原形- She can swim.- They could speak Chinese when they were young.19. 主语 + must/mustn't + 动词原形- You must finish your homework before you go out.- They mustn't smoke in the building.20. 主语 + may/might + 动词原形- He may come to the party tonight.- It might rain tomorrow.21. 主语 + should + 动词原形- We should help people in need.- You should apologize for your mistake.22. 主语 + would like + to + 动词原形- I would like to go shopping with you.- They would like to eat dinner at the restaurant.23. 介词短语作状语- She went to school by bus.- We played soccer in the park.24. 介词短语作定语- The book on the table is mine.- The girl with long hair is my sister.25. 定语从句- The woman who is wearing a red dress is my mother.- The book that I borrowed from the library is very interesting.26. 状语从句- I will go swimming if it is sunny tomorrow.- She cried because she failed the exam.27. 名词性从句- What he said is true.- I don't know where she lives.28. 并列句- He likes apples, but he doesn't like oranges.- I want to go to the movies, and she wants to stay home.29. 条件句- If it rains, we won't go to the park.- She will buy a new dress if she has enough money.30. 倒装句- Never have I seen such a beautiful sunset.- Not only did he study English, but he also learned French.以上是初中英语基本句型大全,包括了主谓结构、宾语结构、状语结构、从句等等。

初中英语必背句型

初中英语必背句型

初中英语必背句型句型1:There+be +主语+地点状语/ 时间状语There're three books on the table.桌子上有三本书。

句型2:What's wrong with+sb./sth.?What's wrong with your telephone?你的手机有什么毛病?句型3:How do you like…?How do you like China?你觉得中国怎么样?句型4:What do you like about…?What do you like about China?你喜欢中国的什么?句型5:had better(not)+动词原形You'd better ask that policeman over there.你最好去问问那边的那个警察。

句型7:Thank+sb.+for (doing) sth.Thank you for coming to see me.感谢你来看我。

句型8:So+be/情态动词/助动词+主语He is a student. So am I.他是一个学生,我也是。

句型9:not…until…He didn't have supper until his parents came back.直到他的父母回来他才吃饭。

句型10:比较级+ and+比较级The baby cried harder and harder.那孩子哭得越来越厉害。

句型11:the+比较级,the+比较级The more one has,the more one wants.拥有的越多,想要的越多。

句型12:…as+adj./adv.+as……not as(so)+adj./adv.+as…Last Sunday the weather was not so wet as it is today.上个星期天的天气不如今天的天气潮湿。

初中英语九大简单基本句型

初中英语九大简单基本句型

初中英语九大简单基本句型1. “主语+ 谓语”(即“主谓”句型)这个句型英汉语言结构形式完全相同,说明“某人或某物如何动作”,或者说“某人或某物自身怎样运动”。

例:They arrived in Harbin yesterday morning.分析:“他们”(主语)“到了”(谓语动作)。

The earth turns around the sun.地球围绕太阳转。

The sun rises in the east, and sets in the west.太阳东升西落。

2. “主语+ 谓语+ 宾语”(即“主谓宾”句型)这个句型英汉语言的结构形式完全相同,用以说明“某人或某物做什么事情”,或者说“某人或某物发出了动作,并且其动作涉及到另一个人或物”。

例:I study English.分析:“我”(主语)“学习”(谓语动作)“英语”(宾语即动作涉及的对象)。

I like swimming.我喜欢游泳。

3. “主语+ 谓语+ 间接宾语+ 直接宾语”(即“主谓双宾”句型)这个句型英汉语序结构相同,说明“某人为谁(间接宾语为人)做某事”,或者说“某人或物的运动涉及到两个对象,其中一个间接对象为人,另一个为物”。

例:Our teacher taught us English.分析:“我们的老师”(主语)“教”(谓语动作)“我们”(间接宾语)“英语”(直接宾语)。

4. “主语+ 谓语+ 宾语+ 宾语补足语”(即“主谓宾补”句型)这个句型说明“某人或某物要求(使、让)某人做什么”或“某人感觉某人或物怎么样”。

例:He asked her to go there.分析:“他”(主语)“要求”(谓语动作)“她”(宾语即动作涉及的对象)“去那里”(补语—补充说明宾语应做什么)。

5. “主语+ have + 宾语”(即“拥有”句型)这个句型主要用于说明“某人或某物拥有什么(宾语,即有形或无形的资源)”。

例:You have a nice watch. 你有一块漂亮的手表分析:“你”拥有一块漂亮的手表,即你拥有一个能够即时且漂亮的器具。

初中英语常见60个必背句型

初中英语常见60个必背句型

初中英语常见60个句型1.as …as^............ 一样中间必须用形容词或副词原级。

例如:This classroom is as big as that one.这间教室和那间一样大。

He runs as fast as Tom. 他和汤姆跑的一样快。

否定结构:not as/so …而如••土。

上面的两个句子可分别改为:This classroom is not as/so large as that one.这间教室不如那间大。

He doesn ' t run as/so fasas Tom.他跑得不如汤姆快。

2.as soon as 一.... 就.....用来引导时间状语从句。

若主句是一般将来时,从句要用一般现在时。

例如:I ' ll tell him the plan as soon as I see him.我一看到他就告诉他这个计划。

He' ll go home as soon as he finishes his work.他一完成工作就回家。

3.be busy/enjoy/hate/go on/finish doing sth. 忙于 /喜欢 /讨厌 /继续 /完成做某事在enjoy, finish, hate, go on, be busy 等词语后,一般用动词-ing形式作宾语。

例如: Lin Tao is busy making a model plane.林涛正忙着做飞机模型。

My mother enjoys taking a walk after supper.我妈妈喜欢晚饭后散步。

I hate watching Channel Five.我讨厌看五频道。

When someone asked him to have a rest, he just went on working.当有人让他休息一会儿时,他仍继续工作。

I have finished writing the story.我已经写完了故事。

初中英语经典句型

初中英语经典句型

初中英语经典句型一、陈述句型1. 主语+ 系动词+ 表语例如:She is a doctor. 她是一名医生。

2. 主语+ 动词+ 宾语例如:I love my parents. 我爱我的父母。

3. 主语+ 动词+ 间接宾语+ 直接宾语例如:My teacher gave me a book. 我的老师给我一本书。

4. 主语+ 动词+ 宾语+ 状语例如:I often go to the park on Sunday. 我经常在星期天去公园。

二、疑问句型1. 一般疑问句:Do you speak English? 你讲英语吗?2. 特殊疑问句:Where are you from? 你来自哪里?3. 选择疑问句:Do you want coffee or tea? 你要咖啡还是茶?4. 反意疑问句:He is not a student, is he? 他不是一个学生,对吗?三、祈使句型1. Please + 动词原形+ 其他例如:Please sit down. 请坐。

2. Let’s + 动词原形+ 其他例如:Let’s go shopping. 我们去购物吧。

3. Be + 表语+ 其他例如:Be quiet, please. 请安静。

四、感叹句型1. What + a/an + 形容词+ 可数名词单数+ 主语+谓语!例如:What a beautiful girl she is! 她真是一个漂亮的女孩!2. What + 形容词+ 可数名词复数/不可数名词+ 主语+ 谓语!例如:What beautiful flowers they are! 这些花真漂亮!3. How + 形容词/副词+ 主语+ 谓语!例如:How beautiful the city is! 这个城市真漂亮!五、并列句型1. 并列关系:Tom is tall, but he is not strong. 汤姆个子高,但他不强壮。

初中英语常见句型归纳

初中英语常见句型归纳

初中英语常见句型归纳
1.主语+ be 动词+ 形容词
2.主语+ 动词+ 宾语
3.主语+ be 动词+ 名词
4.主语+ have/has + 宾语
5.主语+ can/may/must + 动词原形
6.主语+ should/ought to + 动词原形
7.主语+ would like/want/need + to + 动词原形
8.主语+ there be + 名词
9.主语+ be going to + 动词原形
10.特殊疑问句:疑问词+ be 动词+ 主语/其它补充说明
11.一般疑问句:be 动词/助动词+ 主语+ 其它补充说明
12.反意疑问句:陈述部分+ , + 反意疑问部分
13.祈使句:动词原形+ 其它补充说明(无主语)
14.感叹句:How + 形容词/副词/名词+ 主语+ 动词/情态动词
以上是初中英语中常见的句型归纳,需要注意的是,不同的句型在不同的语境中会有不同的用法,我们需要根据实际情况进行适当调整。

同时,英语学习也需要大量的练习和实践,只有通过不断地使用,才能够真正掌握这些句型,流利地运用它们来表达自己的思想。

初中英语句型结构大全及例句

初中英语句型结构大全及例句

初中英语句型结构大全及例句
一、疑问句:
1.情态动词:
(1) Can / Could you do sth? 你能做事吗?
Eg. Can you speak English? 你会说英语吗?
(2) Must / Have to I do sth ? 我必须做事吗?
Eg. Must I hand in the report tomorrow? 我明天必须递交报告吗?
(3) Shall I do sth ? 我应该做事吗?
Eg. Shall I go to the teacher now? 我现在去找老师好吗?
2.动词:
(1) Do you do sth ? 你做事了吗?
Eg. Do you like music? 你喜欢音乐吗?
(2) Is / Are there sth ? 有物吗?
Eg. Is there a supermarket near here? 这附近有超市吗?
(3) Where / When / Who / What / How / Why / Which ? 什么地方
/什么时候/谁/什么/怎么/为什么/哪一个?
Eg. Where is the nearest post office? 最近的邮局在哪里?
二、陈述句
(1)否定句:
(2)否定句+疑问句:
(3)祈使句+否定句:
Eg. Don't worry about it. 别担心它。

(4)主语+谓语:
Eg. I have to go now. 我现在必须走了。

(5)主语+谓语+宾语:
Eg. He likes playing football. 他喜欢踢足球。

初中英语重点句型归纳

初中英语重点句型归纳

初中英语重点句型归纳一、陈述句型1. 主语 + be动词 + 表语例句:I am a student.2. 主语 + 动词 + 宾语例句:Tom likes playing basketball.3. 主语 + 动词 + 间接宾语 + 直接宾语例句:My mother bought me a new book.4. 主语 + 动词 + 宾语 + 宾语补足语例句:We elected him monitor.5. 主语 + 动词 + 宾语 + 宾语补足语 + 宾语补足语例句:They made him chairman.6. 主语 + do/does + not + 动词原形例句:She does not like swimming.7. Do/Does + 主语 + 动词原形例句:Do you like English?8. 主语 + have/has + 过去分词例句:He has finished his homework.9. 主语 + have/has + not + 过去分词例句:They haven't seen the film yet.10. Have/Has + 主语 + 过去分词例句:Have you ever visited Beijing?11. There be句型例句:There is a book on the desk.12. It be + adj. + 不定式例句:It is important to learn English well.13. It is + adj. + for + 人 + to + 不定式例句:It is difficult for me to solve the math problem.二、疑问句型1. Yes/No问句:句型为:Do/Does + 主语 + 动词原形?例句:Do you like English?2. 特殊疑问句:以特殊疑问词(what, where, when, why, who, how等)开头。

初中英语常见句型

初中英语常见句型

2
2
x2 x 2 0
x 2 x 1 0
x 1 0
x 1 0
x2
x
2
2x
2
x2
3x
0
x 2 0 x 3 2 x 3.
故原不等式的解集为x | 2 x 3.
2. 3 log1 x log1 x 1
2
2
x 0
3x
0 log
1
x
3 log1 x 0
0或 log1
.
当x 1时, f x 0,故f x在区间[1, )上为增函数.
又f 1 0,所以当x 1时, f x 0,即当x 1时, ln x 2 x 1
x 1 成立.故 ab a b 成立.
ln a ln b 类似可证 ln x x 1成立.于是原不等式成立.
x
例题
2 ln a ln b ab ab
1 ab
2a b
ab
ln a
ln b
a
b ab
2
a b
1
a 1
ln
a b
a b
1 .
a
b
b
令x a ,则所证不等式等价于 b
2 x 1 ln x x 1,其中x 1.
x 1
x
考虑函数f
x
ln
x
2 x 1
x 1
, 其导数为f
x
x 12 x x 12
1 x
a b c a b c 有f a b c f a b c .
即 abc 1 a bc
abc
1 a b c
a
b
c
1 a b c 1 a b c 1 a b c
abc

初中英语所有句型

初中英语所有句型

初中英语所有句型
1.肯定句
-主语+动词+宾语
- 主语 + be动词 + 表语
- 主语 + be动词 + 状语
- There be句型:There + be动词 + 宾语
2.否定句
- 主语 + do/does/did + not + 动词原形
- 主语 + be动词 + not + 表语/状语
3.疑问句
-动词/助动词+主语+其他?
4.选择疑问句
- 动词/助动词 + or + 动词/助动词 + 主语 + 其他?
5.特殊疑问句
-特殊疑问词+助动词/助动词+主语+其他?
6.句型倒装
-否定词/副词/状语/介词置于句首时,主语与谓语动词倒装7.祈使句
-动词原形+宾语(若有)
8.感叹句
- How + 形容词/副词 + 主语 + 谓语动词!
9.简单句
-只含有一个主语和一个谓语动词的句子
10.并列句
- 句子与句子之间通过连词(and, but, or, so等)连接
11.复合句
-包含主句和从句的句子
12.定语从句
-用来修饰名词的从句
13.状语从句
-用来修饰动词、形容词或副词的从句
14.宾语从句
-作为宾语的从句
15.主语从句
-作为主语的从句
以上是初中英语常见的句型,可以根据具体语境和需求进行组合和变化。

初中英语语法句型

初中英语语法句型

初中英语语法句型一、基本句型1. 主语 + 谓语- She walks to school every day.- They play basketball in the park.2. 主语 + 谓语 + 宾语- He likes playing the piano.- We buy fruits at the supermarket.3. 主语 + 谓语 + 宾语 + 宾语补足语- We elected him monitor of our class.- They painted their house white.4. 主语 + 谓语 + 宾语 + 宾语补足语 + 定语- My father made me a beautiful toy.- The teacher found the book very interesting.5. 主语 + 系动词 + 表语- She is a kind girl.- The weather has become colder.6. 主语 + 系动词 + 表语 + 定语- The movie was very exciting.- His room is always tidy and clean.7. There be 句型- There is a big tree in front of our school.- There are many books on the shelf.8. 主语 + 不及物动词- The bird flies in the sky.- The children laughed happily.二、特殊句型- Open the window, please.- Don't forget to turn off the lights.2. 虚拟语气句型- If it were sunny, we would go hiking.- I wish I could speak fluent English.3. If 引导的条件状语从句- If it rains tomorrow, we won't go to the park.- If you study hard, you will pass the exam.4. When/While 引导的时间状语从句- We watched a movie while we were waiting for the bus.- I woke up when the alarm clock rang.5. 不定式作目的状语- We study hard to get good grades.- She practices playing the piano every day to improveher skills.6. 以动名词作主语- Swimming is my favorite sport.- Reading books is a good way to gain knowledge.7. 以动词不定式作宾语- I want to be a doctor when I grow up.- They decided to go on a trip during the summer vacation.8. 以名词或代词作宾语补足语- I find English easy to learn.- They made him the captain of the team.三、句型转换1. 主动语态变被动语态- The students are cleaning the classroom.(主动)The classroom is being cleaned by the students.(被动)2. 被动语态变主动语态- The book was written by Mark Twain.(被动)Mark Twain wrote the book.(主动)3. 直接引语变间接引语- He said, "I will come tomorrow."(直接引语)He said that he would come the next day.(间接引语)4. 陈述句变疑问句- You are a student.(陈述句)Are you a student?(疑问句)5. 否定句变肯定句- She doesn't like apples.(否定句)She likes apples.(肯定句)这是初中英语语法句型的基本内容,希望对你的学习有所帮助。

初中英语常见的十二种句型

初中英语常见的十二种句型

初中英语常见的十二种句型句型(一)(1)Why not do…?为什么不干某事?(2)Let’s do …让我们干某事吧。

(3)Shall we do …?我们干某事好吗?(4)Would you like something/to do sth.…?你想要什么吗?你想要干…吗?(5)Will you please do …?请你干某事好吗?(6)What (How) about doing…?干某事怎么样?例如:(1)Why not go and ask our teacher?Good idea!Let’s go.为什么不去问问老师?好主意!走吧!(2)Shall we go out for a walk?No, let’s go to the zoo.我们去散步怎么样?不,我们去动物园吧。

(3)Will you please fetch some chalks for me?请你给我拿些粉笔,好吗?(4)What about singing an English song? Wonderful!唱首英语歌曲怎么样?好极了!注意点:这些句型都是表示“建议”的句子,可视为同义句。

句型(二)(1)Let’s go out for a walk,shall we?让我们出去散步,好吗?(2)Read the book carefully,will you?认真读书,好吗?注意点:在这两个句型中,(2)所代表的祈使句,一般用will you构成反意疑问句。

在(1)中Let’s 表示包括“我”在内,用shall we,但若是let us,表示不包括“我”在内,则用will you。

例如:Let us go out for a walk,will you?你让我们出去散散步,好吗?句型(三)So+be/助动词/情态动词+主语——也……Neither/Nor+be/助动词/情态动词+主语——也不……例如:(1)He can sing a lot of English songs,so can she.他会唱很多英语歌曲,她也是。

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初中英语常见句型do sth.1. Why not do sth? 为什么不做某事= Why don’t you do sth?2. let/make/help sb. do sth. 让某人/使某人/帮助做某事(help sb. to do sth./with sth.)3. 情态动词+do sth. 否定:情态动词+not do sth.can/could/must/should/need do sth可以/必须/应该/需要做某事.(区别:need to do sth.)4. watch/see/hear sb. do sth. 观看/看见/听到某人做某事(强调全过程)(比较watch/see/hear sb. doing观看/看见/听到某人正在做某事)5. had better (not) do sth. 最好做/不要做某事6. 祈使句:Do sth./ Don’t do sth. 做某事/不要做某事7.Could you please(not)do sth? 请做/不要做某事好吗?doing sth.介词(in/ of/ about/to/at/for/by/after/before)+do ing1. What/How about doing sth? 做某事怎么样?2. Thank you for doing sth谢谢做某事3. enjoy/like/love doing sth. 喜欢做某事(比较feel like doing sth. 想要做某事=want to do/ would like to do sth.)4. be good at doing sth. = do well in doing sth.擅长于做某事5. go doing sth. 去做某事go swim ming/shop ping/danc ing/run ning6.There be + sb./sth. + doing sth 某地有某人/某物在做某事7. watch/see/hear sb. doing sth. 观看/看见/听到某人正在做某事(比较watch/see/ hear sb. do sth. 观看/看见/听到某人做某事)8. start/begin to do/doing sth.开始做某事9. finish doing sth. 完成某事10. stop doing sth. 停止做某事(比较stop to do sth. 停下来去做另外一件事)11. go on doing sth. 继续做同一件某事(比较go on to do sth. 继续去做另外一件事)12. forget/ remember doing sth. 忘记/记得做过某事(比较: forget/ remember to do sth. 忘记/记得去做某事)13. keep doing sth. 一直做某事keep sb. doing sth. 让某人一直做某事keep sb. from doing sth. 阻止某人做某事=stop/ prevent sb. (from)doing sth. 阻止某人做某事14. protect sb. from doing sth. 保护某人免受……15. be busy doing 忙于做某事16. be afraid of doing sth.害怕做某事(比较be afraid to do sth.害怕去做某事)17. be worth doing sth. 值得做某事18. spend+时间/钱(in) doing sth. 花…做某事17. can’t help doing忍不住做某事18. Would you mind (not) doing sth? 你介意(不)做某事吗?19. look forward to doing sth. 盼望做某事20. pay attention to doing sth. 注意做某事21. by doing通过做某事22. a ticket for doing…的罚单23. when/after/before doing在做某事时/后/前24. be/get used to doing sth.习惯做某事(比较:be used to do sth. 被用于做某事used to do sth. 过去常常做某事)25. 伴随状语e.g. He is lying on the grass, look ing at the sky.26. 动词当主语用doing sth. e.g. Get ting up early is good for your health.to do1. hope/ wish/plan/want/would like to do 希望/计划/想要做某事wish sb. to do sth希望某人做某事(不能用hope)2. ask/tell/ get sb. to do sth. 叫/让某人做某事3. be glad/happy/pleased to do sth做某事很高兴be sorry to do sth. 很抱歉去做某事4. nice to do/ doing sth. 很高兴做某事/做过某事5. learn to do sth. 学习做某事6. teach sb. to do sth. 教某人做某事7. forget/ remember to do sth. 忘记/记得去做某事8. have to do sth. 不得不做某事9.need to do sth 需要做某事(比较need do sth.)10. (1) It’s +time+for sb. to do sth. 该是某人做某事的时候了=It’s +time+for sb. for (doing) sth. 该是某人做某事的时候了(2) It’s the best time/a good season/place to do/for doing sth. 是做某事的最好时间/季节/地点sth is the best time to do sth …是做某事的最好时间11. (1)It’s + adj. +for sb. to do sth. 做某事对某人来说真是……hthy(2)It’s + adj.(clever/ stupid/kind/nice)+of sb. to do sth. 某人做某事真是……12. use sth. to do sth. 用某物做某事13. go/come to do sth. 去/来做某事14. advise sb. to do sth. 建议某人做某事15. try to do sth. 尽力做某事try /do one’s best to do sth. 尽某人最大努力做某事(比较try do ing sth.试着做某事看某事会不会发生)16. It takes sb. some time to do sth. 花某人多少时间做某事It costs sb. some money to do sth. 花某人多少钱做某事17. decide to do sth. 决定做某事decide on sth. 决定某事18. mean to do 打算做某事(比较mean doing sth. 意味着做某事)19. agree to do同意做某事20. afford to do付得起做某事,能够做某事21. be able to do sth. 能够做某事22. manage to do sth. 设法做某事23. can’t wait to do sth.迫不及待做某事24. seem to do 似乎……25.take turns to do轮流做某事26. find / think +adj. to do sth. 发现/认为做某事……27. too…to do sth 太……以致不能……He is too young to go to school.28. adj.+enough+ to do sth. 足够…….去做某事He is not old enough to go to school.29. 特殊疑问词+to do(充当主语或宾语)I don’t know what to do./how to do it. (宾语)30. to do 充当主语,表语,定语,目的状语等七年级句型1. Why not do sth? 为什么不做某事= Why don’t you do sth?2. let/make/help sb. do sth. 让某人/使某人/帮助做某事(help sb. to do sth./with sth.)3. 情态动词+do sth. 否定:情态动词+not do sth.can/could/must/should/need do sth可以/必须/应该/需要做某事.(区别:need to do sth.)4. watch/see/hear sb. do sth. 观看/看见/听到某人做某事(强调全过程)(比较watch/see/hear sb. doing观看/看见/听到某人正在做某事)5.祈使句:Do sth./ Don’t do sth. 做某事/不要做某事6.Could you please(not)do sth? 请做/不要做某事好吗?7. Thank you for doing sth谢谢做某事8. enjoy/like/love doing sth. 喜欢做某事(比较feel like doing sth. 想要做某事=want to do/ would like to do sth.)9. be good at doing sth. = do well in doing sth.擅长于做某事10. go doing sth. 去做某事go swim ming/shop ping/danc ing/run ning11.There be + sb./sth. + doing sth 某地有某人/某物在做某事12. watch/see/hear sb. doing sth. 观看/看见/听到某人正在做某事13. What/How about doing sth? 做某事怎么样?14. ask/tell/ get sb. to do sth. 叫/让某人做某事15. be glad/happy/pleased to do sth做某事很高兴be sorry to do sth. 很抱歉去做某事16. nice to do/ doing sth. 很高兴做某事/做过某事17. learn to do sth. 学习做某事18. hope/ wish/plan/want/would like to do sth. 希望/计划/想要做某事wish sb. to do sth希望某人做某事(不能用hope)。

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