(复习公开课-齐)动词不定式PPT课件
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公开课课件动词不定式的用法

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动词不定式与其他非谓语动词比较
与动名词比较
动词不定式和动名词在句子中都可以充当主语、宾语等成分,但它们的意义和用法 有所不同。
动词不定式表示具体的、一次性的动作,而动名词则表示抽象的、习பைடு நூலகம்性的动作。
在某些情况下,动词不定式和动名词可以互换使用,但表达的含义可能有所不同。
与现在分词比较
动词不定式和现在分词都可以表示主 动的动作,但它们的时态和语态有所 不同。
在某些情况下,动词不定式和现在分 词可以互换使用,但需要根据具体语 境来判断。
动词不定式不受时态限制,可以表示 过去、现在或将来的动作,而现在分 词则通常表示正在进行的动作。
与过去分词比较
动词不定式和过去分词都可以表示被动的动作,但它们的用法和意义有 所不同。
动词不定式表示被动的动作时,需要使用助动词be的适当形式,而过去 分词则可以直接表示被动的动作。
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动词不定式在句子中作用
作主语
01
动词不定式作主语时,谓语动词 用单数形式。
02
常用it作形式主语,把真正的主语 动词不定式置于句后。
作宾语
能够接动词不定式作宾语的有ask, agree, beg, decide, determine等 。
动词不定式与名词等构成复合宾语时 ,通常要用it作形式宾语,而把真正的 宾语动词不定式置于句后。
择合适的动词形式。例如,正确的表达是 “I enjoy listening to music”,而不是
“I enjoy to listen to music”。
逻辑主语问题
要点一
不定式逻辑主语与句子主语不一 致
动词不定式的逻辑主语应与句子主语保持一致。例如,正 确的表达是“It is important for you to study hard”, 而不是“It is important for him to study hard”。
动词不定式(12张PPT)初中英语专项复习课件

She wants to play the piano. 她想弹钢琴。
Jim told me not to wake up Kate. 吉姆告诉我不要叫醒凯特。
语法透视
考点大观 易错辨析 通关训练
动词不定式的用法
2. 不带to的不定式结构。 (1) 在固定词组had better之后。注意:had better
—Mary is very generous. —Yes, she gave away all her money she owned
____ people in need. A. to help B. to helping C. helped D. helping
【解析】本句话意为“玛丽真是太慷慨了。是的, 她把她所有的钱都捐给了缺钱的人们”。表目的 用动词不定式,所以答案选A。
动词不定式的结构: to + 动词原形
语法透视
动词不定式的用法
考点大观 易错辨析 通关训练
1. 省to的不定式结构 (1) 能 直 接 跟 带 to 的 不 定 式 结 构 的 动 词 主 要 有 :
want, ask, tell, hope, learn, try, decide, forget, remember, like, love, stop等。 (2) 动词不定式的否定形式是在不定式前直接加not ,即not to do sth。
语法透视
动词不定式的用法
考点大观
3. 动词不定式作主语。动词不定式作主语可以放在 后面,而用it作形式主语放在原主语的位置上。
易错辨析 通关训练
To master a language is not an easy thing. 掌握一门语言不是一件容易的事情。
中考英语语法复习-动词不定式 (共27张PPT)

中考英语语法复习-动词不定式 (共27张PPT)
中考英语语法复习-动词不定式 (共27张PPT)
◆不定式的一些常用结构
※have (has, had)+不定式 这一结构表示“不得不”,“只好”的意思。
He will have to swallow the bitterness sooner or later.他迟早要吞下这颗苦果的。 As she missed the train, she had to return home. 由于耽误了那趟火车,她只得又回家去了。
Why not go with us? You had better not take a bus. I would rather stay at home. Could/ Would/Will you please (not) do...?
中考英语语法复习-动词不定式 (共27张PPT)
中考英语语法复习-动词不定式 (共27张PPT)
☆“so as...+不定式”结构,不定式作目的状语, 意思是“以便……”。“so+形容词(副词)+as+不定 式”结构,不定式作结果状语。 He went there quickly so as to meet her. 他赶快到那里去以便可以碰见她。(目的) He was so kind as to offer his seat to me. 承他好意,把座位让给了我。(结果)
动词不定式的用法
中考英语语法复习-动词不定式 (共27张PPT)
1.不定式,ing形式和过去分词中,不定 式和ing形式考查最多。尤其是不定式的否 定形式,省去to和不省to的情况, 及只能用ing形式作宾语的情况。 2.在具体的语境中考查非谓语动词的用 法。 3.不定式作主语和动词后用不定式和ing 形式意义不同。 4.有关非谓语动词的固定句型。
中考英语语法复习-动词不定式 (共27张PPT)
◆不定式的一些常用结构
※have (has, had)+不定式 这一结构表示“不得不”,“只好”的意思。
He will have to swallow the bitterness sooner or later.他迟早要吞下这颗苦果的。 As she missed the train, she had to return home. 由于耽误了那趟火车,她只得又回家去了。
Why not go with us? You had better not take a bus. I would rather stay at home. Could/ Would/Will you please (not) do...?
中考英语语法复习-动词不定式 (共27张PPT)
中考英语语法复习-动词不定式 (共27张PPT)
☆“so as...+不定式”结构,不定式作目的状语, 意思是“以便……”。“so+形容词(副词)+as+不定 式”结构,不定式作结果状语。 He went there quickly so as to meet her. 他赶快到那里去以便可以碰见她。(目的) He was so kind as to offer his seat to me. 承他好意,把座位让给了我。(结果)
动词不定式的用法
中考英语语法复习-动词不定式 (共27张PPT)
1.不定式,ing形式和过去分词中,不定 式和ing形式考查最多。尤其是不定式的否 定形式,省去to和不省to的情况, 及只能用ing形式作宾语的情况。 2.在具体的语境中考查非谓语动词的用 法。 3.不定式作主语和动词后用不定式和ing 形式意义不同。 4.有关非谓语动词的固定句型。
动词不定式》PPT课件

作宾语
1、动词+ to do sth.
常用动词有: w决an定t /学w习ish(/有li)ke希/望wo,uld设l法ike拒/ h绝op想e / 假pla装n / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fa主il/动ma答na应ge/选pr计om划is,e等同意 请求 帮一帮
2、谚语中
1、To know everything is to know nothing. 2、To see is to believe.
作定语
位置: 放在被修饰词的后面
I have a lot of work to do. I want to find something to drink.
不定式为不及物动词时后面应有必要的介词。 I’m looking for a hotel _D________. A. stay B. stay at C. to stay D. to stay at
作主语
3、It is + n. (for sb) to do sth. It is my pleasure to help you with your English.
作主语
4、用在谚语中
To see is to believe. To say is easy, but to do is hard.
The doctor asked him to have more fruit
and vegetables.
(宾语补足语)
介词 to 与不定式 to 的区别
1、习惯于be used to _d_o_i_n_g__ 被用于be used to __d_o____
初中英语动词不定式完整PPT 课件

5.I found the German language hard __D__.
A.learned
B. learning
C. to be learned D. to learn
6.—The light in the office is still on.
--- Oh, I forgot __C____.
2. Why (not) do sth.? 3. …prefer to do/prefer doing 4. …prefer + n./doing A +to + n./doing B 5. …prefer + to do A rather than (to) do B 6. …would rather (not) do sth. 7. …would rather do A than (do) B 8. …would rather + 句子(过去式)
morning till night.
A.havieen
C. to be
D. being
4.The Emperor ordered the wonderful cloth
__B___ for him without delay.
A.to have woven B. to be woven C. to be weaving D. to weave
I. promise, decide, hope, agree, + to do sth.
choose, fail, wish, learn
e.g. 1. He has promised to behave better later. 2. The boy decided not to become a sailor. 3. I hope to go to college.
动词不定式》PPT课件

to go out 2、I happened ________when he called me. (出去) to depend on others (依赖别人) 3、I don’t want________________. how to drive a car 4、Sam is learning________________. (怎样开车)
浪费时间就是缩短生命。
6、To waste time is to shorten life. (翻译成中文)
作宾语
1、动词+ to do sth.
常用动词有: 决定 /学习 ) 希望, 设法 想/ 假装 want wish(/有 like / would like拒绝 / hope plan / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / 主动 答应 选 计划, 同意 请求 帮一帮 fail/ manage/ promise 等
2、prefer …to… 比起……来更喜欢
比起游泳来,我更喜欢跑步。
I prefer ________ running to ___________. swimming
1、作主语 2、作宾语 3、作宾语补足语 4、作表语 5、作定语
6、作状语
下列不定式作何种成分?
All I did was to give him some advice(表语) . Lucy needs a friend to play with (定语) .
He was the last guest to arrive .(定语) It’s interesting to read a science fiction . (主语)
《动词不定式》课件

动词不定式作定语时,表示目的、 原因等意义
动词不定式的时态和语态
第四章
时态形式及用法
一般式:不定式的一般形式为to do,表示动作的一般情况
进行式:不定式的进行式为to be doing,表示动作正在进行
完成式:不定式的完成式为to have done,表示动作已经完成 完成进行式:不定式的完成进行式为to have been doing,表示动作 已经完成且一直持续到现在
常见问题解析
第六章
易混淆点解析
不定式作宾语与动名词作宾语的混淆 不定式作定语与动名词作定语的混淆 不定式作主语与动名词作主语的混淆 不定式作表语与动名词作表语的混淆
常见错误解析
不定式作为宾语补足语时, 动词后面缺少必要的介词
不定式作为主语或宾语时, 动词后面缺少必要的介词
不定式作为状语时,动词后 面缺少必要的介词
不定式作为定语时,动词后 面缺少必要的介词
练习与巩固
第七章
单项选择题
动词不定式作宾语时,其逻辑主语必须是句子的主语。 A. 对 B. 错 答案:A. 对
A. 对 B. 错
动 答 案 :词A . 对 不 定 式 作 宾 语 补 足 语 时 , 其 逻 辑 主 语 必 须 是 句 子 的 宾语。 A. 对 B. 错 答案:B. 错
A. 对 B. 错 答案:B. 错
动词不定式作状语时,其逻辑主语必须是句子的主语。 A. 对 B. 错 答案:A. 对
A. 对 B. 错 答案:A. 对
动词不定式作定语时,其逻辑主语必须是句子的宾语。 A. 对 B. 错 答案:B. 错
A. 对 B. 错 答案:B. 错
完形填空题
题目:动词不定式完形填空 内容:提供多个含有动词不定式的句子,要求学生在句子中填写正确的动词不定式形式 目的:帮助学生掌握动词不定式的用法和形式,提高语言运用能力 难度:根据学生水平设置不同难度的题目,包括简单、中等和困难等级别
动词不定式(47张PPT)初中英语专项复习课件

说明 作主语用的不定式,常常用it作形式主语, 而把不定式放在后面。
My work is to clean the room everyday.=To clean 多数情况下,不定式作表语,可转换作为
the room every day is my work.
主语。
—What sports does he like to play?—He likes to 只能做某些动词的宾语,一般不作介词的
prove/
tend/
offer/
expect等
款适合你
夯基·必备基础知识
① Although he pretended to surrender to the enemy , he failed to win their trust.
② I hope to finish it tomorrow .
3.see sth done 看见某事被做 重点看宾语和补语之间的逻辑关系
夯基·必备基础知识 5. 作补语
① I heard her sing an English song just now.(主动,完成)
刚才我听见她唱了一首英文歌。
② I heard her singing an English song when I passed by her room yesterday.(主
夯基·必备基础知识 3. 作表语
注意:下列情况下不定式作表语通常省略to:
All you need to do now is complete the form. 你现在要做的是把这张表填好。
What I want to do most in senior high school is improve my English.
动词不定式讲解PPT课件

第十页,课件共有96页
巧记动词不定式作宾语歌诀:
• 想要拒绝莫忘记
• (want, refuse, forget)
• 需要努力就学习 • (need, try, learn) • 喜欢帮助加同意 • (like help agree ) • 希望决定后开始 • (hope, decide, begin, start)
impossible(不可能的)等。
It's+adj.+for+sb+不定式”表示“做某事对某人来说……”
• 你可以用这个句型来验证
• sb + be + adj 句式。 • 看这个句子的意思是不是成立,要是成立,就用
of 。要是不成立则用for.
• you_are kind 这个句子成立,所以用of
I have a lot of work to do.我有很多工作要做。 (2)主谓关系 He is always the first to come.他总是第一个来。 (3)同位关系 We all have a chance to go to college. • 我们都有上大学的机会。
第二十一页,课件共有96页
careless(粗心的),right(正确的),wrong(错误的)等词后,不用 for而用of。
It's very kind of_you_to_help_me.
你帮助我真是太好啦。
第八页,课件共有96页
若描述做某事性质的形容词:如important(重要的), necessary(必要的),difficult(困难的),easy(容易的), hard(艰难的),dangerous(危险的),safe(安全的),useful(有 益的),pleasant(舒适的),interesting(有趣的),
巧记动词不定式作宾语歌诀:
• 想要拒绝莫忘记
• (want, refuse, forget)
• 需要努力就学习 • (need, try, learn) • 喜欢帮助加同意 • (like help agree ) • 希望决定后开始 • (hope, decide, begin, start)
impossible(不可能的)等。
It's+adj.+for+sb+不定式”表示“做某事对某人来说……”
• 你可以用这个句型来验证
• sb + be + adj 句式。 • 看这个句子的意思是不是成立,要是成立,就用
of 。要是不成立则用for.
• you_are kind 这个句子成立,所以用of
I have a lot of work to do.我有很多工作要做。 (2)主谓关系 He is always the first to come.他总是第一个来。 (3)同位关系 We all have a chance to go to college. • 我们都有上大学的机会。
第二十一页,课件共有96页
careless(粗心的),right(正确的),wrong(错误的)等词后,不用 for而用of。
It's very kind of_you_to_help_me.
你帮助我真是太好啦。
第八页,课件共有96页
若描述做某事性质的形容词:如important(重要的), necessary(必要的),difficult(困难的),easy(容易的), hard(艰难的),dangerous(危险的),safe(安全的),useful(有 益的),pleasant(舒适的),interesting(有趣的),
动词不定式复习PPT课件

动词不定式的否定形式:
not + to+动词原形
Subject(主语) Object(宾语) Object complement(宾补) Adverbial(状语) Predicative(表语) Attributive(定语)
1.To work hard is very important. Subject
3、表__结__果____ too + adj. + to do sth. adj.\adv. + enough to do sth
而当句子中的表语是表示人的性格特征的形容词时,如: good,nice,clever,silly,kind,naughty,rude, careless, thoughtful, brave, selfish, generous等时, 不定式前可加一个由介词______o引f 导的短语,用以说 er way home, Lucy saw a thief __C_____ in a shop. She stopped ________ 110 at once. A. steal, call B. to steal, call C. stealing, to call D.stealing, calling
3. A man was seen ___B______ the room through the window yesterday evening. A. enter B. to enter C. entering D. to entering
4.Tom often stays up late to finish his homework
3. (2006 杭州) there are some dangerous fishes in the river, and
not + to+动词原形
Subject(主语) Object(宾语) Object complement(宾补) Adverbial(状语) Predicative(表语) Attributive(定语)
1.To work hard is very important. Subject
3、表__结__果____ too + adj. + to do sth. adj.\adv. + enough to do sth
而当句子中的表语是表示人的性格特征的形容词时,如: good,nice,clever,silly,kind,naughty,rude, careless, thoughtful, brave, selfish, generous等时, 不定式前可加一个由介词______o引f 导的短语,用以说 er way home, Lucy saw a thief __C_____ in a shop. She stopped ________ 110 at once. A. steal, call B. to steal, call C. stealing, to call D.stealing, calling
3. A man was seen ___B______ the room through the window yesterday evening. A. enter B. to enter C. entering D. to entering
4.Tom often stays up late to finish his homework
3. (2006 杭州) there are some dangerous fishes in the river, and
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3. 不定式做宾语的结构: “V + to do” 的结构
(做宾语)
接动词不定式作宾语常见的几个动词、短语是 want , try, decide , offer, agree , plan , begin , learn, wish, hope , start, need , like , love, would like , can’t wait 等.
(1) When do we use + 1
“It’s + adj. (+for sb.) + to do sth. ”?
(2) When do we use + 1
“It’s + adj. (+of sb.) + to do sth. ”?
2021
It is +adj+for sb +to do.
2021
Task 1
动词不定式的基本形式和否定形式
2021
Task 1 动词不定式的基本形式和否定形式
( ) It was freezing outside. He decided
_______ his coat.
A. to put on
B. putting on
C. puts on
D. put on
important/possible/impossible/difficult/hard… It is easy for me to do the homework. It is hard for him to play the violin.
要点小结:当adj描述的是“to do…”时,用for 。
Task 2
动词不定式的用法
2021
1. 不定式做主语: It’s important to love our class.
常用句型:It’s + adj. (+for sb.) + to do sth.
形式主语
真正主语
(对某人来说)做某事是怎样的
e.g. To learn EHnagvleisahtrwy!ell is not easy.
=TraItn’sslanteo:t对e我as来y说t回o答le这a问rn题E是n很g难lis的h。w+e1ll.
It’s difficult for me to answer the question.
=To answer the question is difficult for me.
2021
It is +adj+of sb +to do.
kind/stupid/careful/clever/rude… It is kind of you to help me . It is rude of him to break the window.
要点小结:当adቤተ መጻሕፍቲ ባይዱ描述的是“sb.”时,用of。
We call the red words
(7) The difficulty is to stop people killing them.
2021
—— The Infinitive “to do”
Tasks
1) 动词不定式的基本形式和否定形式 2) 动词不定式的基本用法 3) 动词不定式省略to的情况
(主语和表语指代的是同一事物) 1.My job is _________computers.
A. to selling B. sell C. to sell
2. Her hobby ist_o__p_l_a_y (play) football.
2021
3.I want to buy a ticket.
2021
2. 不定式做表语的结构“n + be + to 常放在be动词后,表明主do语” “是什么” “怎么
样He” r。wish is to study in Huangqi eM.gi.dOduler pslacnhisootol.go there by plane. My我jo们b的i计s 划to是c乘le飞a机n去t那he儿。streets.
( ) The teacher told us _______in bed.
A. don’t read
B. read not
C. to not read D. not to read
动词不定式的基本形式是由“to + v原”构成, 其否定形式是not to do. 注:动词不定式没有人称2021和数的变化.
Tang Jieqi
2021
Spring Festival is coming ! Do you want to receive presents ? Today there are some tasks for you to finish. One question is for 1 point ! The winning group will get a present !
2. My parents decide _to__g_iv_e__ (give) me more money.
3. He plans t_o__g_o_ (go) to Beijing for a holiday.
2021
(Sentences from M9)
(1) It was interesting to learn about the Wolong Panda Reserve. (2) We need to help the animals live in peace. (3) Many people decide not to think about it. (4) Their water isn’t good to drink. (5) Our government is working hard to save pandas. (6) Many animals have no place to live in.
e.g.
1) They decided to try again. 2) Students need to go to school before 7 o’clock ev202e1 ry day.
1.My friends want _t_o__b_u_y__(buy) some tickets for us.
(做宾语)
接动词不定式作宾语常见的几个动词、短语是 want , try, decide , offer, agree , plan , begin , learn, wish, hope , start, need , like , love, would like , can’t wait 等.
(1) When do we use + 1
“It’s + adj. (+for sb.) + to do sth. ”?
(2) When do we use + 1
“It’s + adj. (+of sb.) + to do sth. ”?
2021
It is +adj+for sb +to do.
2021
Task 1
动词不定式的基本形式和否定形式
2021
Task 1 动词不定式的基本形式和否定形式
( ) It was freezing outside. He decided
_______ his coat.
A. to put on
B. putting on
C. puts on
D. put on
important/possible/impossible/difficult/hard… It is easy for me to do the homework. It is hard for him to play the violin.
要点小结:当adj描述的是“to do…”时,用for 。
Task 2
动词不定式的用法
2021
1. 不定式做主语: It’s important to love our class.
常用句型:It’s + adj. (+for sb.) + to do sth.
形式主语
真正主语
(对某人来说)做某事是怎样的
e.g. To learn EHnagvleisahtrwy!ell is not easy.
=TraItn’sslanteo:t对e我as来y说t回o答le这a问rn题E是n很g难lis的h。w+e1ll.
It’s difficult for me to answer the question.
=To answer the question is difficult for me.
2021
It is +adj+of sb +to do.
kind/stupid/careful/clever/rude… It is kind of you to help me . It is rude of him to break the window.
要点小结:当adቤተ መጻሕፍቲ ባይዱ描述的是“sb.”时,用of。
We call the red words
(7) The difficulty is to stop people killing them.
2021
—— The Infinitive “to do”
Tasks
1) 动词不定式的基本形式和否定形式 2) 动词不定式的基本用法 3) 动词不定式省略to的情况
(主语和表语指代的是同一事物) 1.My job is _________computers.
A. to selling B. sell C. to sell
2. Her hobby ist_o__p_l_a_y (play) football.
2021
3.I want to buy a ticket.
2021
2. 不定式做表语的结构“n + be + to 常放在be动词后,表明主do语” “是什么” “怎么
样He” r。wish is to study in Huangqi eM.gi.dOduler pslacnhisootol.go there by plane. My我jo们b的i计s 划to是c乘le飞a机n去t那he儿。streets.
( ) The teacher told us _______in bed.
A. don’t read
B. read not
C. to not read D. not to read
动词不定式的基本形式是由“to + v原”构成, 其否定形式是not to do. 注:动词不定式没有人称2021和数的变化.
Tang Jieqi
2021
Spring Festival is coming ! Do you want to receive presents ? Today there are some tasks for you to finish. One question is for 1 point ! The winning group will get a present !
2. My parents decide _to__g_iv_e__ (give) me more money.
3. He plans t_o__g_o_ (go) to Beijing for a holiday.
2021
(Sentences from M9)
(1) It was interesting to learn about the Wolong Panda Reserve. (2) We need to help the animals live in peace. (3) Many people decide not to think about it. (4) Their water isn’t good to drink. (5) Our government is working hard to save pandas. (6) Many animals have no place to live in.
e.g.
1) They decided to try again. 2) Students need to go to school before 7 o’clock ev202e1 ry day.
1.My friends want _t_o__b_u_y__(buy) some tickets for us.