Conditional sentences

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深入解读语法条件句的种类与结构

深入解读语法条件句的种类与结构

深入解读语法条件句的种类与结构条件句是英语语法中一个重要的概念,用于描述某个动作或情况的发生与否对另一个动作或情况发生的影响关系。

具体而言,条件句又可根据语法结构的不同进行分类。

本文将深入解读语法条件句的种类与结构,帮助读者更好地理解和运用条件句。

1. 真实条件句(Type 1 Conditional Sentences)真实条件句是描述现在或将来的可能发生的情况,其结构为:if +简单现在时,将来时。

例如:If it rains, we will stay indoors.(如果下雨的话,我们将呆在室内。

)在真实条件句中,主句使用将来时表达对条件成立的反应。

2. 非真实条件句(Type 2 Conditional Sentences)非真实条件句用于描述对现在或将来可能发生的情况的假设或不可能发生的情况。

其结构为:if + 过去时,虚拟语气(would/could + 动词原形)。

例如:If I were rich, I would travel the world.(如果我有钱的话,我会周游世界。

)在非真实条件句中,主句使用虚拟语气来表达对条件不成立的反应。

3. 条件交替句(Type 3 Conditional Sentences)条件交替句用于描述过去的情况,表示与过去事实相反的条件与结果。

其结构为:if + 过去完成时,过去完成时。

例如:If I had studied harder, I would have passed the exam.(如果我学得更努力一些,我就会通过考试。

)在条件交替句中,主句使用过去完成时来表示与过去事实相反的结果。

4. 零条件句(Zero Conditional Sentences)零条件句用于描述普遍真理或自然规律,其结构为:if + 简单现在时,简单现在时。

例如:If you heat ice, it melts.(如果你加热冰,它会融化。

)在零条件句中,主句使用简单现在时来表达普遍真理或自然规律。

特殊句式的类型

特殊句式的类型

特殊句式的类型特殊句式是指在语法结构上有特殊形式或用法的句子。

下面是一些特殊句式的类型以及相关的参考内容。

1. 倒装句( Inversion)倒装句是指将正常句子的主语和谓语动词的位置倒置,常用于表示强调、修饰和交际功能等场景。

比如:- Not only did she win the race, but she also broke the record. (不仅她赢得了比赛,而且她还打破了纪录。

)- Under no circumstances should you give up. (在任何情况下你都不应该放弃。

)2. 条件句(Conditional Sentences)条件句是指根据不同的条件表达不同的结果。

常用的条件句类型有:零条件句、一般条件句、虚拟条件句等。

比如:- If I see him, I will tell him the news. (如果我看到他,我会告诉他这个消息。

)- Should he come, please let me know. (如果他来,请告诉我。

)3. 强调句(Emphatic Sentences)强调句是通过强调某个成分来使其更突出。

常用的强调句结构有:It is/was + 被强调部分+that/who+其余部分。

比如:- It was Tom who broke the window. (是汤姆打破了窗户。

)- It is the result, not the effort, that matters. (重要的是结果,而不是努力。

)4. 比较句(Comparison Sentences)比较句是用来比较两个对象或者描述相对关系的句子。

常用的比较句结构有:as+adj./adv. +as, not as+adj./adv.+as,more/less+adj./adv.+ than等。

比如:- He runs as fast as a cheetah. (他跑得像一只猎豹一样快。

Conditionalsentences(1)

Conditionalsentences(1)
you, go to the party have a good time
If you go to the party, you will have a good time. You will have a good time if you go to the party.
Put the words and phrases into a conditional sentence with if. 把下列单词和短语组成一个if条件状语从句。
dance
BB:: IIff hIe’m/sheapipsyh, appy, hIe/wsilhl_e_w_i.ll___.
laugh
study hard
if 引导的条件状语从句
if引导条件状语从句,表示“_如__果___”。 如果假设的条件成立,事情就会发生。
If-clause(if条件句)
If he studies hard, he will get good grades.
如果你们不喜欢待在家里,就出去散个步吧!
Go out for a walk if you don’t want to stay at home .
如果你累了,就休息一下。
If you are tired, have a rest .
Look and find it out
If you need any help, you can call me.
Have a try
1. If I walk (walk) to school, I _w_o_n_‘_t_g_e_t (not get) to school on time. 2. If he visits (visit) the museum, he_w__il_l _h_ave (have) fun. 3. C__o_m_e_(come) to Xi'an if you h_a_v_e_(have) time. 4. If you _d_o_n_’t_l_ik_e__(not like) the party, just_t_e_l_l _ (tell) Andy. 5. If you _b_re_a_k_ (break)Tom’s cup, you should _b_u_y_ (buy) him a new one. 6. He can_m_e_e_t_( meet) his friends if he _fi_n_is_h_e_s_ (finish) his homework.

英语语法知识点详解 零条件句

英语语法知识点详解 零条件句

英语语法知识点详解零条件句In English, there are four types of conditional sentences:英语中有四大类型条件句:0 – The Zero Conditional 零条件句1 – The First Conditional 第一类条件句2 – The Second Conditional 第二类条件句3 – The Third Conditional 第三类条件句Each conditional sentence has an IF clause, and a main clause. And all the four types of conditionals use the conjunction IF.条件句由两个组成部分:IF从句+ 主句。

四大类型条件句均使用连词IF。

The IF clause gives us the condition or situation, and the main clause gives us the result. The Zero and the First Conditional express real or possible conditions and results. The Second and the Third Conditional express impossible, hypothetical, unreal conditions and results.IF从句提供条件或情况,主句描述产生的结果。

零条件句和第一类条件句描述真实或可能发生的条件和结果。

第二类条件句和第三类条件句描述不可能发生的、假设的、不真实的条件和结果。

With all conditional sentences, the order of these clauses is not fixed. So, you can swap them around. And even when you change the order of the clauses, the meaning is the same. In writing, if your IF clause comes first, add that comma. If your main clause comes first, you don’t need a comma.在所有类型的条件句中,IF从句和主句的顺序可以互换。

Conditional_sentences(香港朗文)

Conditional_sentences(香港朗文)

Note
In this type of conditional sentence, we can use when instead of if.
When water freezes, it turns to ice.
What are the four types of conditional sentences?
an if-clausonditional sentences to talk about facts, we use the simple present in both the if-clause and the main clause.
If you heat water to 100 ℃, it boils.
We can change the order of the clauses in a conditional sentence.
Water boils if you heat it to 100 ℃. Do you You put always don’t a put comma aput comma ifathe comma if conditional thebetween conditional sentence thesentence two starts clauses? starts with the ifwith the clause. main clause.
‘would’ + bare infinitive ‘would have’ + past participle
If I were you,
I would be more careful.
past perfect tense
If I had taken a taxi,

什么是虚拟语气的条件句

什么是虚拟语气的条件句

什么是虚拟语气的条件句?虚拟语气(Subjunctive Mood)是英语中一种特殊的语气形式,用于表示假设、愿望、建议、命令等非真实的情况。

虚拟语气在条件句(Conditional Sentences)中经常使用,以表达某种条件下可能发生的情况。

条件句分为三种类型:真实条件句(Real Conditional Sentences)、虚拟条件句(Unreal Conditional Sentences)和混合条件句(Mixed Conditional Sentences)。

在虚拟条件句中,常常使用虚拟语气来表示与事实相反的情况。

虚拟条件句分为两个部分:条件部分和结果部分。

条件部分陈述了一个假设或条件,而结果部分陈述了与该条件相关的可能结果。

以下是虚拟条件句的几个例子:1. 如果我有时间,我会去旅行。

(真实条件句)If I have time, I will travel.2. 如果我有时间,我会去旅行。

(虚拟条件句)If I had time, I would travel.3. 如果我有时间,我会去旅行。

(混合条件句)If I had time, I would have traveled.在虚拟条件句中,条件部分使用虚拟语气来表示与事实相反、或者是不可能实现的情况。

通常在条件部分使用过去时的形式,例如使用过去完成时或过去简单时。

结果部分则根据条件部分的虚拟语气形式进行相应的变化,使用would + 动词原形来表示结果。

需要注意的是,虚拟条件句中的动词形式取决于条件的类型和时间。

例如,对于与现在事实相反的情况,条件部分使用过去时,结果部分使用would + 动词原形。

对于与过去事实相反的情况,条件部分使用过去完成时,结果部分使用would + have + 过去分词。

对于与将来事实相反的情况,条件部分使用过去时,结果部分使用would + 动词原形。

总之,虚拟语气在条件句中用于表示与事实相反或不可能实现的情况。

条件句的四种类型及应用技巧

条件句的四种类型及应用技巧

条件句的四种类型及应用技巧条件句,也被称为条件从句,是英语中常见的句型结构之一。

它用于表达某个条件下,某件事情将会发生或是不会发生。

在本文中,我们将探讨条件句的四种类型以及应用技巧。

一、零条件句(Zero Conditional Sentences)零条件句用来表达一种普遍的真实情况,通常是科学事实或一般规律。

它的句型结构为:if/when + 简单现在时,主句 + 简单现在时。

例如:1. If you heat water to 100 degrees Celsius, it boils.如果将水加热到100摄氏度,它会沸腾。

2. When it rains, the streets get wet.下雨时,街道会变湿。

零条件句的应用技巧在于引述普遍事实或科学规律,揭示因果关系。

二、一般条件句(First Conditional Sentences)一般条件句常用于表达可能会发生的情况。

它的句型结构为:if +简单现在时,主句 + 将来时。

例如:1. If it rains tomorrow, I will stay at home.如果明天下雨,我将呆在家里。

2. If you work hard, you will succeed.如果你努力工作,你会成功。

一般条件句的应用技巧是预测可能发生的情况,并给出相应的结果。

三、虚拟条件句(Second Conditional Sentences)虚拟条件句用于表达与实际情况相反或不可能实现的假设。

它的句型结构为:if + 过去时,主句 + would/could/might + 动词原形。

例如:1. If I had a million dollars, I would buy a big house.如果我有一百万美元,我会买一所大房子。

2. If I were you, I would apologize to him.如果我是你,我会向他道歉。

条件句

条件句

条件句拉丁语语法专名,英文称作the conditional sentence,是指一种表示假设的主从复合句,一般由连词if 引导的条件从句引出某种假设,再由主句表示基于这种假设下的反馈。

中文翻译为“如果[或假如]……那么……”。

像其他印欧语一样,拉丁语的条件句也可分为真实条件句和非真实条件句,前者使用直陈式,后者需用虚拟语气。

条件句主句和从句的动词需遵守时态一致律。

以下为举例:真实条件句:表示在条件句从句假设的动作客观真实发生的情况下,主句动作的反馈。

根据拉丁语的时态一致律,一般只有以下四种:1. 现在真实条件句:主句和从句都使用现在时直陈式,表示以一般逻辑推演对即将发生的动作的假设,常用于表达客观真理。

为避免同非真实条件句混淆,中文可以翻译成“一旦……”Si di moriuntur, quis Romanos iuvat? 如果[一旦]众神死去,谁来帮助罗马人呢?[众神有无死去,说话者不能确定]2. 过去真实条件句:主句和从句都使用未完成时或过去完成时直陈式,表示以一般逻辑推演对过去发生的动作的假设。

为避免同非真实条件句混淆,中文可以翻译成“当……”或“只要……”Si sacerdos dona dis dabat, di iuvabant nos. 如果[当,只要]那时祭祀将贡品献给众神,众神就会帮助我们。

[事实上祭祀一直在将贡品献给众神]3. 将来真实条件句:主句和从句都使用将来时直陈式,表示对将来可能预见到的动作的假设,而且可能性非常高。

Caesar si in senatum veniet, interficietur. 如果恺撒去元老院,他就会被杀。

4. 强调假设的将来真实条件句:从句使用将来完成时直陈式,主句使用将来时直陈式。

表示对将来可能预见到的动作的假设,而且强调假设的动作。

Si Caesar in senatum illa die venerit, Brutus hunc eum interficiet. 如果恺撒那天去元老院,Brutus 就会杀了他。

高中英语知识点归纳条件句的种类与用法

高中英语知识点归纳条件句的种类与用法

高中英语知识点归纳条件句的种类与用法高中英语知识点归纳:条件句的种类与用法条件句是英语语法中的重要部分,它用来表达某种条件下可能发生的情况。

在高中英语中,学生需要掌握条件句的种类与用法,以便在阅读、写作和口语表达中能够有效地使用。

本文将对条件句的种类和用法进行归纳总结。

1. 一般条件句(Type 1 Conditional Sentences)一般条件句用来表示在现在或将来可能发生的情况,其结构为:if+ 现在时,将来时。

例如:“If it rains, we will stay at home.”(如果下雨,我们将呆在家里。

)。

在这种句型中,主句的动词常常表达必然性或意愿,而非条件本身。

2. 现在事实条件句(Type 0 Conditional Sentences)现在事实条件句用来表达普遍真理和现实情况,其结构为:if + 现在时,现在时。

例如:“Water boils if you heat it to 100 degrees Celsius.”(如果将水加热到100摄氏度,它会沸腾。

)。

在这种条件句中,主句描述的是一个客观事实。

3. 过去事实条件句(Type 2 Conditional Sentences)过去事实条件句用来表示在过去的某个时间不可能发生的情况,其结构为:if + 过去时,过去时。

例如:“If I were a bird, I would fly in thesky.”(如果我是一只鸟,我会在天空中飞翔。

)。

在这种条件句中,主句的动词通常使用“would”来表示与现实相反的情况。

4. 过去不可能条件句(Type 3 Conditional Sentences)过去不可能条件句用来表达在过去某个时间已经无法改变的情况,其结构为:if + 过去完成时,过去完成时。

例如:“If I had studied harder, I would have passed the exam.”(如果我学习更努力,我就能通过考试。

牛津译林版英语九年级上册Unit6Conditionalsentences教学设计

牛津译林版英语九年级上册Unit6Conditionalsentences教学设计
3.通过听力、阅读等教学活动,让学生感知、体验条件句的用法,培养其语感。
4.采用启发式教学,引导学生发现、总结条件句的用法和规律,提高其自主学习能力。
5.设计课后作业和拓展活动,巩固所学知识,提高学生的综合语言运用能力。
(三)情感态度与价值观
1.培养学生积极向上的情感态度,使其在英语学习中保持自信、合作、探究的精神。
3.教师总结学生的表演,引导他们关注条件句的结构和意义,为新课的学习做好铺垫。
(二)讲授新知
1.教师通过PPT展示,讲解真实条件句的构成和用法,结合实例进行讲解,如:“If you study hard, you will pass the exam.”同时,引导学生关注条件句中的时态运用。
2.过渡到虚拟条件句,教师以生动的例子,解释一般现在时和一般过去时的虚拟语气,如:“If I were you, I would go to the party.”并强调虚拟语气在条件句中的重要性。
2.各小组展示讨论成果,其他小组进行评价和反馈,教师给予指导和鼓励。
3.教师选取几个有代表性的例子,引导学生分析条件句的用法,提高他们的语言表达能力。
(四)课堂练习
1.教师设计不同类型的练习题,包括填空、选择、改错等,让学生独立完成,巩固条件句的用法。
2.教师挑选部分学生的练习题进行展示和讲解,针对错误较多的题目,进行重点讲解和指导。
作业布置旨在帮助学生巩固所学知识,培养他们的语言表达能力、合作能力和创新思维能力。请各位同学按时完成作业,期待在下一节课上看到大家的精彩表现!
二、学情分析
九年级学生经过前两年的英语学习,已经具备了一定的英语基础和语言表达能力。在本章节的学习中,他们对于条件状语从句的概念和用法有了一定的了解,但可能在具体语境中运用及区分不同类型的条件句时还存在困难。此外,学生在使用虚拟语气时,可能对其规则和用法掌握不够熟练,需要教师在教学过程中进行重点讲解和指导。

条件句的种类与表达方式

条件句的种类与表达方式

条件句的种类与表达方式条件句是英语语法中非常重要的一部分,用于表达假设、可能性或条件关系。

条件句可根据其形式和表达方式进行分类,下面将介绍条件句的种类与表达方式。

一、根据形式分类1. 第一型条件句(Type 1 Conditional Sentences)第一型条件句用于表达一个可能会发生的条件和其结果。

它通常用于对现实可能性的描述。

形式:If + 简单现在时,将来时(主句)例句:- If it rains tomorrow, we will stay at home.(如果明天下雨,我们会呆在家里。

)- If she studies hard, she will pass the exam.(如果她努力学习,她会通过考试。

)2. 第二型条件句(Type 2 Conditional Sentences)第二型条件句用于表达一个与事实相反、不太可能实现的条件和其结果。

它假设一个与现实相反的情况。

形式:If + 过去时,现在时(主句)例句:- If I had more money, I would travel around the world.(如果我有更多的钱,我会周游世界。

)- If I were you, I would apologize to her.(如果我是你,我会向她道歉。

)3. 第三型条件句(Type 3 Conditional Sentences)第三型条件句用于表达一个与过去事实相反的条件和其结果。

它描述的是对过去的假设或遗憾。

形式:If + 过去完成时,过去完成时(主句)例句:- If she had studied harder, she would have passed the exam.(如果她当时更努力学习,她就能通过考试了。

)- If I had known it was her birthday, I would have bought her a gift.(如果我知道是她的生日,我就会给她买个礼物了。

什么是条件句

什么是条件句

什么是条件句?条件句(Conditional Sentences)是一种用于表达条件和可能结果的句子形式。

条件句由两个或多个句子组成,分别描述了条件和可能的结果。

在英语中,条件句通常由一个条件从句和一个结果从句组成。

条件从句描述了某种条件或情况,而结果从句描述了在满足条件时可能发生的结果。

以下是一些条件句的例子:- If it rains, we will stay at home.(如果下雨,我们会呆在家里。

)- I will study hard if I have an important exam.(如果我有一次重要的考试,我会努力学习。

)- Unless you finish your homework, you cannot go out.(除非你完成作业,否则你不能出去。

)- If I were you, I would apologize.(如果我是你,我会道歉。

)条件句可以表达各种不同类型的条件和结果,如真实条件、虚拟条件、反讽条件等。

它们可以用于各种语境,如日常交流、文学作品、科学论文等。

条件句通常使用特定的连词来引导条件从句,如if、unless、provided that等。

结果从句通常使用情态动词(如will、would、can、could等)来表达可能的结果。

需要注意的是,条件句的语法结构和使用规则会根据不同类型的条件和结果而有所不同。

例如,真实条件句使用一般现在时来表示条件和结果的可能性;虚拟条件句使用虚拟语气来表示条件和结果的虚构性;反讽条件句使用相反的条件和结果来表达反讽的意义。

因此,在使用条件句时,应注意根据具体情况选择适当的语法结构和使用规则。

总之,条件句是一种用于表达条件和可能结果的句子形式。

它们在日常交流、文学作品、科学论文等方面起着重要的作用,帮助我们描述条件和推测可能的结果。

理解和正确使用条件句对于准确表达和解释条件性信息是非常重要的。

if从句的三种用法

if从句的三种用法

千里之行,始于足下。

if从句的三种用法if从句是英语语法中常见的一个句子结构,用于表示假设、条件或可能性。

依据具体的语境和意义,if从句有三种常见的用法:条件句、假设句和虚拟语气句。

下面将具体介绍这三种用法。

一、条件句(Conditional Sentences)条件句用于表示某种条件下的结果或后果。

它由if引导,分为三种类型:零条件句、一般条件句和虚拟条件句。

1. 零条件句(Zero Conditional Sentences)零条件句表示事实真实的条件和结果,表示的是普遍真理或状况。

它的结构通常是:if + 现在时,现在时。

例如:- If you heat ice, it melts.(假如加热冰,它会溶化。

)- If it rains, the ground gets wet.(假如下雨,地面会变湿。

)2. 一般条件句(First Conditional Sentences)一般条件句表示可能发生的条件和结果,表示的是将来可能发生的状况。

它的结构通常是:if + 现在时,将来时。

例如:- If it rains, I will stay at home.(假如下雨,我会呆在家里。

)3. 虚拟条件句(Second Conditional Sentences)虚拟条件句表示不太可能实现的条件和结果,表示的是与现实相反的状况。

它的结构通常是:if + 过去时,would + 动词原形。

第1页/共3页锲而不舍,金石可镂。

例如:- If I had a lot of money, I would travel around the world.(假如我有很多钱,我会环游世界。

)二、假设句(Suppositional Sentences)假设句用于表示假设、猜想或非真实状况。

它由if引导,通常是对将来可能的状况进行推想或假设。

1. 假如假设是可能的(Possible Condition)这种状况下,if从句和主句中的动词形式一般都使用现在时。

英语作文高级从句模板

英语作文高级从句模板

英语作文高级从句模板Advanced Sentence Structures in English Writing。

Introduction:In the realm of English writing, mastering advanced sentence structures is essential for creating sophisticated and compelling compositions. These complex sentence patterns not only showcase a writer's command of the language but also elevate the overall quality of the text. This article aims to explore various advanced sentence structures and provide examples to help writers enhance their writing skills.1. Conditional Sentences:Conditional sentences are used to express hypothetical situations and their possible outcomes. They consist of two clauses: the "if" clause (dependent clause) and the main clause (independent clause). There are three types of conditional sentences: zero conditional, first conditional, and second conditional.Example:Zero conditional: If water boils, it turns into steam.First conditional: If it rains tomorrow, I will stay at home.Second conditional: If I won the lottery, I would travel the world.2. Inversion:Inversion is a stylistic technique that involves reversing the typical subject-verb order in a sentence. It is often used to emphasize a particular element or to create a more formal tone. Inversion can occur with a variety of sentence structures, including conditional sentences, negative adverbial expressions, and adverbial phrases of place or direction.Example:Normal word order: She is rarely late for work.Inverted word order: Rarely is she late for work.3. Cleft Sentences:Cleft sentences are used to emphasize a particular part of a sentence by dividing it into two clauses. They typically begin with "it" followed by a form of the verb "to be" and a relative clause. Cleft sentences are effective in drawing attention to specific information and are commonly used in academic writing and formal speeches.Example:Original sentence: Sarah won the singing competition.Cleft sentence: It was Sarah who won the singing competition.4. Relative Clauses:Relative clauses provide additional information about a noun or pronoun in a sentence. They begin with a relative pronoun (such as who, whom, whose, which, or that) and function as an adjective, modifying the noun or pronoun. Relative clauses can be restrictive (essential to the meaning of the sentence) or non-restrictive (providing extra information).Example:Restrictive relative clause: The book that I bought yesterday is excellent.Non-restrictive relative clause: My sister, who is a doctor, lives in London.5. Participle Phrases:Participle phrases are verb phrases that function as adjectives, modifying nouns or pronouns in a sentence. They consist of a present participle (-ing form) or a past participle (-ed, -en, -d, -t, -n, or -ne form) and can be used to provide additional information, describe actions, or indicate the state of a noun.Example:Present participle phrase: The girl standing by the window is my cousin.Past participle phrase: The broken vase needs to be replaced.Conclusion:Mastering advanced sentence structures in English writing is crucial for creating engaging and sophisticated compositions. The use of conditional sentences, inversion, cleft sentences, relative clauses, and participle phrases can greatly enhance the quality of one's writing. By incorporating these advanced structures, writers can effectively convey their ideas, engage readers, and demonstrate their mastery of the English language.。

条件句第一讲:条件句的概述以及现在时态的条件句

条件句第一讲:条件句的概述以及现在时态的条件句

条件句的概述:(1) 什么叫条件句?英文称作conditional sentences,指的是一个事实的发生需要依赖于另一个事实,也就是需要一个条件才能发生,所以叫条件句。

如果条件(condition) 存在,则结果(consequence) 发生condition consequence(2) 条件句的分类:条件句分为两种:真实条件句和虚拟条件句真实条件句(real conditional):条件和结果在日常生活中都是真实发生的虚拟条件句(Unreal Conditional):条件是假设的,想象的,通常都是不能实现的,换句话说,只能意淫,不能成真。

这里看好了,是条件是假设的,假设完条件,结果建立在一个虚拟条件下,为真。

(3) 引导词,由if和when引导,if考点较多区别点1:If:指单次发生,或者较少发生的条件。

比如我一年去小明家一次,那就用ifWhen:只习惯性发生的条件。

比如我经常去小明家,那就用when区别点2:If既可以用在真实条件句,也可以用在虚拟条件句When只能用在真实条件句(4) 从时态上来讲,分为四种:现在present过去past将来future混合mixed一个一个来看,讲法是先现在时态,分为真实,和虚拟,然后过去……现在条件句(Present Conditionals)1. 现在时态的真实条件句(Present Real Conditional)(1) 格式(form)[ If / When ... Simple Present ..., ... Simple Present ... ][ If / When + 一般现在时态, 一般现在时态][ ... Simple Present ... if / when ... Simple Present ... ][ 一般现在时态+ if / when + 一般现在时态](2) 用法:The Present Real Conditional is used to talk about what you normally do in real-life situations.现在时态的真实条件句用来谈论现实生活中现在你平时做的Examples:∙If I go to a friend's house for dinner, I usually take a bottle of wine or some flowers.(如果我去朋友家吃饭,通常我会带一瓶酒和一些鲜花过去。

条件句-Conditional-Sentence

条件句-Conditional-Sentence
Conditional Sentence 条件句
Key Points
– Type I ~Type IV Conditionals – Mixed Conditionals – Replacing if – Omitting if – if vs. when; in case vs. if
34.1 Introduction
Exercise 4
如果她未结婚的话,她可能会在她的领 域中有所成就。
If she had not married, she would probably have become something special in her field.
Exercise 5
Try to distinguish the following sentences.
√ Type I Type II Type III Type IV
4. If I dropped this bomb, it would explode.
√ Type I Type II Type III Type IV
Exercise 5
√ 5. If I were you, I would not listen to him. Type I Type II Type III Type IV
34.2 Type I : whenever-type real conditional
Use: to denote universal truths or general validity
to denote present habitual actions
to denote past habitual actions
PAST
Future
If she had signed up for the ski trip last week, she

Conditionalsentences(1)

Conditionalsentences(1)

Worksheet 练案(七年级上,Unit 6,Grammar,Conditional sentences条件句(1))班别:__________ 姓名:__________ 学号:__________学习目的:1.掌握if引导的条件状语从句的功能和用法。

2.能用if引导的条件状语从句编写简单的旅游指南。

3.加强学生合作学习能力。

Ⅰ条件句的基本概念:▲The function of conditional sentences条件句的作用:We use conditional sentences to talk about possible actions and the results of these actions我们使用条件句去谈论关于________________________________▲The position of if-clause if从句的位置We can put the if-clause either before the main clause or after it.我们可以把if从句放在主句的_____面或_____面。

▲The tense in conditional sentence条件句的时态If从句中的动词使用__________________(the simple present tense一般现在时/the simple future tense一般将来时)主句中的动词使用__________________(the simple present tense一般现在时/the simple future tense一般将来时)主句中也可以使用_______动词,例如:_________,表示“可以做…”。

ⅡGrammar exercise 语法练习:1.Task One: 个人独立完成《Book A》P782.Task Two: 和同伴讨论完成《Book A》P793.Task Three: 和同伴讨论完成《Book A》P81 Writing4.Task Four: 写一篇关于广州的旅游简介1)以4人小组为单位分享《导学案》Ⅱ能力提升中的内容。

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HOW TO FORM
• The first conditional is usually introduced by an “if ” clause, followed by the present simple. The future with “will” expresses the result.
THIRD CONDITIONAL
In the third conditional, “would” can be replaced by “could” or “might” to express ability, possibility, or uncertainty.
FIRST CONDITIONAL WITH “UNLESS”
FURTHER EXAMPLES
HOW TO FORM
1.3 THE FIRST CONDITIONAL
• The first conditional, also called the “future real” conditional, uses “if ” to describe a realistic action that might lead to a future result.
Conditional sentences
Conditional sentences are used to describe real or hypothetical results of real or hypothetical situations. They can use many different verb forms.
FURTHER EXAMPLES
1.4 THE SECOND CONDITIONAL
• The second conditional, also called the “unreal” conditional, uses “if ” to describe an unlikely or unreal action or event. The described result is also very unlikely.
“Unless” can be used instead of “if ” in conditional sentences. “Unless” means “if… not,” so the future result depends on the suggested action not happening.
HOW TO FORM
FURTHER EXAMPLES
1.2 CONDITIONALS WITH IMPERATIVES
• Imperatives can be used in conditional sentences. The “if ” clause describes a hypothetical situation and the imperative clause describes what someone should do if that hypothetical situation actually happens.
FURTHER EXAMPLES
FORMAL THIRD CONDITIONAL
The third conditional can be made more formal by swapping “had” with the subject and dropping “if.”
FURTHER EXAMPLES
1.1THE ZERO CONDITIONAL
The zero conditional, also called the “real” conditional, refers to things that are always true. It is used to describe the direct result of an action.
FIRST CONDITIONAL
In the first conditional, “will” can be replaced by a variety of modal verbs to talk about different ideas.
SECOND CONDITIONAL
In the second conditional, “would” can be replaced by “could” or “might” to express ability, possibility, or uncertainty.
1.7.1 CONDITIONAL SENTENCES
WITH MODAL VERBS
First, second, and third conditional sentences can use different modal verbs in their “result” clauses. These can be used to express uncertainty, possibility, or obligation, amongst other things.
HOW TO FORM
• The second conditional is usually introduced by an “if ” clause with a past simple verb. “Would” or “could” plus the base form of the main verb expresses the result.
FURTHER EXAMPLES
1.5 THE THIRD CONDITIONAL
• The third conditional, also called the “past unreal” conditional, is used to describe unreal situations in the past. It is often used to express regret about the past because the hypothetical situation that it describes is now impossible as a consequence of another past action.
HOW TO FORM
FURTHER EXAMPLES
1.6 THE MIXED CON
1.7 Other conditional sentences
• English allows for some variations in conditional sentence structures. These give more information about the context of the conditional.
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