情态动词_和_倒装
英语倒装句超详细
6. 在以often, well, many a time, now and again 等方式或频度副词(短语)开头的句子中,要用部 分倒装结构。如: Many a time has John given me good advice. Often have we made that test. 12) Many a time ________ swimming alone. A. the boy went B. went the boy C. did the boy go D. did go the boy
4) Only in this way ____ make progress in your English. A. you B. can you C. you be able to D. will you able to 5) Only when the meeting was over___ go back to meet his friend. A. he could B. he was able to C. was he able to D. was able to he
3) Out ________, with a stick in his hand. A. did he rush B. rushed he C. he rushed D. he did rush
4) ________ from the top of the building when the policeman pointed the gun at him. A. Jumped down the robber B. Jumped the robber down C. Down jumped the robber D. Down the robber jumped
高中英语知识点归纳倒装句与强调句
高中英语知识点归纳倒装句与强调句高中英语知识点归纳：倒装句与强调句倒装句是英语语法中的一种特殊句型，常常用来强调某一部分内容或改变句子的语序。
在高中英语学习中，倒装句是一个重要的知识点。
本文将就倒装句和强调句的形式、用法及例句进行归纳，以帮助学生更好地理解和掌握。
一、倒装句倒装句按照句子成分的不同，可分为完全倒装和部分倒装两种形式。
1. 完全倒装：将助动词、情态动词或助动词+动词原形放在主语之前，构成完全倒装。
例句1：Never have I seen such a beautiful landscape.（我从未见过如此美丽的风景。
）例句2：Rarely does she go to bed before midnight.（她很少在午夜之前上床睡觉。
）2. 部分倒装：将谓语动词的一部分放在主语之前，构成部分倒装。
2.1. 否定副词放在句首倒装例句3：Not only did he pass the exam, but he also got the highest score.（他不仅通过了考试，而且还得了最高分。
）2.2. 表示方位的副词或介词短语放在句首倒装例句4：Out rushed the students when the bell rang.（铃声一响，学生们就冲了出去。
）2.3. 在以“so/such+形容词/副词”作状语的句子中，将“so/such”放在句首倒装，强调后面的形容词/副词。
例句5：So beautiful is the sunset that everyone stops to admire it.（夕阳是如此美丽，以至于每个人都驻足欣赏。
）二、强调句强调句主要通过倒装句的形式，将要强调的成分放在句首，从而突出强调的重点。
1. 强调句的基本结构为“It is/was + 被强调成分 + that/who + 句子其他部分”。
例句6：It was John who broke the window.（是约翰打破了窗户。
英语中常见的倒装形式
英语中常见的倒装形式
以下是英语中常见的倒装形式：
1. 完全倒装：将助动词、情态动词或连系动词放在句首，主语紧随其后。
例如：
- Not only did I study English, but I also learned French.
- Can you play the guitar?
2. 部分倒装：将助动词、情态动词或连系动词与主语之间倒装。
例如：
- She can speak six languages, so she is very talented.
- Never have I seen such a beautiful sunset.
3. 省略倒装：在某些条件下，如果从句的主语是it，常常省略
主语，将动词原形或助动词置于句首。
例如：
- It is important that he finish his homework before he goes out.
- It was not until I met him that I realized he was famous.
4. 条件倒装：在以if引导的条件句中，可以将主句与从句中
的谓语动词倒装。
例如：
- If I were you, I would go to the doctor.
- Should you need any help, please let me know.
这些是英语中常见的倒装形式的例子。
请注意，在英语中有许多其他的倒装结构，这里只列出了一些常见的例子。
初三语法讲解情态动词倒装和虚拟语气的用法详解
初三语法讲解情态动词倒装和虚拟语气的用法详解情态动词和倒装结构情态动词是一类特殊的助动词，用于表示说话人的意愿、能力、推测等情态。
常见的情态动词包括can，could，may，might，shall，should，will，would，must等。
在某些情况下，情态动词与主语之间可以发生倒装，以强调主语、表示感叹或表示紧迫性。
1. 情态动词加入倒装情态动词的倒装结构通常由情态动词+主语构成，主谓倒装。
这种结构常用于以下几个情境：a) 表示强调和感叹例如：Never have I seen such a beautiful sunset. 我从未见过这样美丽的日落。
How brave he is! 他真勇敢！b) 表示建议或命令例如：May you have a pleasant journey! 祝你旅途愉快！Should you need any assistance, please contact us. 如需帮助，请联系我们。
c) 表示条件例如：Were he here, he would help us. 如果他在这里，他会帮助我们的。
2. 情态动词与not一起的倒装当情态动词与not连用时，可以将not置于句首，构成动词的倒装结构。
这种结构常用于祈使句或表示强调的句子中。
常见的结构有：a) Shall not例如：Shall you not tell her the truth? 你难道不应该告诉她实情吗？b) Will not例如：Will you not accompany me to the party? 你难道不会陪我去参加聚会吗？c) Can not例如：Can you not see the sign? 你难道没有看到标志吗？虚拟语气的用法虚拟语气是表示与事实相反、假设或愿望等非真实情况的一种语气。
在英语中，虚拟语气主要通过动词的形态和从句结构来表达。
1. 虚拟语气的形态a) 过去时当表示与现在或将来相反的非真实情况时，常用虚拟语气的过去时态。
倒装句的构成和用法
倒装句的构成和用法倒装句是英语语法中的一种特殊句型，它的主语和谓语动词的正常位置被颠倒。
在倒装句中，谓语动词通常位于主语之前，而助动词、情态动词、系动词等通常位于主语之后。
本文将探讨倒装句的构成和用法。
一、构成倒装句的方式1. 完全倒装：主语和谓语动词全部颠倒。
例：Not only did she sing beautifully, but she also danced gracefully.2. 部分倒装：只颠倒谓语的一部分，通常是将助动词、情态动词或系动词置于主语之后。
例：Is he a doctor? → He is a doctor.二、倒装句的用法1. 在某些特殊句型中a. 在以“here”或“there”开头的句子中，常采用完全倒装。
例：Here comes the bus. → The bus is coming here.b. 在以“so”或“neither/nor”开头的句子中，常采用部分倒装。
例：So did I. → I did too.2. 在条件句中使用a. 在以“should”引导的虚拟条件句中，谓语动词常倒装。
例：Should you need any help, feel free to ask me. → If you need any help, feel free to ask me.b. 在以“had”引导的条件句中，谓语动词也常倒装。
例：Had I known about the party, I would have attended. → If I had known about the party, I would have attended.3. 在祈使句中使用a. 在以“never”开头的祈使句中，常采用完全倒装。
例：Never have I seen such a beautiful sunset. → I have never seen sucha beautiful sunset.4. 表示强调或感叹的句子中使用a. 在表示强调的句子中，常采用完全倒装。
倒装句和强调句
倒装句和强调句型一．倒装句倒装句：部分倒装（主语和be, 情态动词，助动词倒置）和完全倒装（主语和谓语完全倒置）I. 完全倒装：1. 用于there be句型。
2. 用于here ( there, now, then)+不及物动词+主语句型，或以out, in, up, down, away等副词开头的句子里，以表示强调。
注意：代词作主语时，不用倒装。
3 . 当句首状语为表示地点的介词词组时。
4. 表语置于句首时，“表语+系动词+主语”5. 用于so, nor, neither开头的句子，表示重复前面的部分内容。
(例子如下)6. 为了保持句子平衡，或为了强调表语或状语，或使上下文紧密衔接时。
1. There are many students in the classroom.2.Then came Marry and George. In the castle lived the Snow White with the seven dwarfs. .Here comes the bell. Now comes your turn. Out went the children.3. South of the city lies a big steel factory. From the valley came a frightening sound.4.Present at the meeting were Professor White, Professor Smith and many other guests.Gone are the days when they could do what they liked to the Chinese people.5.He has been to Beijing. So have I . Li Wei can’t answer the question. Neither can I.6.They arrived at a farmhouse, in front of which sat a small boy.II. 部分倒装1. 用于“表语/状语/动词原形+ as 引导的让步状语从句时，若表语为名词，其名词前不加任何冠词。
英语倒装句的使用方法
英语倒装句的使用方法倒装句在英语语法中是一个重要的结构，它可以改变句子的语序，使得表达更加生动、强调更为突出。
本文将介绍英语倒装句的使用方法，帮助读者理解并正确运用这一语法结构。
一、倒装句的基本形式倒装句的基本形式是将谓语动词的助动词或情态动词置于主语之前，可以用于陈述句、疑问句和条件句中。
以下是一些常见的倒装句的形式：1. 完全倒装：将助动词或情态动词置于主语之前，主语紧随在后。
例句1：Never have I seen such a beautiful sunset.例句2：Not only does she speak English fluently, but she also speaks French.2. 部分倒装：只将谓语动词的助动词或情态动词置于主语之前。
例句1：Have you finished your homework?例句2：Can she play the piano?二、倒装句的用法及注意事项1. 当句子以表示地点、方向、方式等的副词或短语开头时，可以使用完全倒装。
例句1：Under the tree sat a group of children, laughing and chatting.例句2：On the top of the hill stands a lonely house.2. 在表示否定意义的副词或词组在句首时，可以使用完全倒装。
例句1：Not only did he fail the exam, but he also lost his scholarship.例句2：Never have I been so disappointed.3. 在条件句中，为了强调条件而将“if”或“unless”置于句首时，可以使用完全倒装。
例句1：Should you need any assistance, please do not hesitate to contact us.例句2：Were it not for her guidance, I would not have succeeded.4. 在一些固定的短语或句型中，也常常使用倒装句。
情态动词的虚拟语气中，只有哪个可以倒装？
情态动词的虚拟语气中，只有哪个可以倒装？情态动词的虚拟语气中，只有哪个可以倒装？在有情态动词的虚拟语气条件句中，只有should可以倒装。
倒装时，把should移至句首，去掉if。
例如：If you should prepare to go there ,I should go with you.= Should you prepare to go there ，I should go with you. 如果你准备去那里的话，我就和你一块去。
若虚拟语气条件句中有动词were,should或had, 都可以把这三个词放在主语之前,去掉if,变成倒装句。
例如：If I were a bird,I would fly.=Were I a bird,I would fly.如果我是一只小鸟，我就会飞翔。
If we were confident ,we would be able to overe all difficulties.= Were we confident ,we would be able to overe all difficulties.如果我们有信心，就能够克服所有的困难。
If he should agree to go there, we would send him there.=Should he agree to go there, we would send him there. 要是他答应去的话，我们就派他去。
If you had e，we wouldn't have been so busy.= Had you e yesterday, we wouldn't have been so busy.如果你昨天来的话，我们就不会那么忙了。
If I had enough time, I would go to his help.= Had I enough time, I would go to his help.如果我有足够的时间，就去帮助他。
英语语法_倒装
英语语法倒装在英语中，主语和谓语的语序通常是主语在前，谓语在后。
但有时由于语法或修辞的需要将谓语的部分或全部提到主语前面，这样的语序叫做“倒装“倒装的种类：部分倒装---- 助动词\情态动词+主语+谓语的实义动词全部倒装---- 谓语+主语一．倒装句的意义1、适应一定的语法结构的需要，主要是指疑问句句型结构的需要。
e.g. May I come in?Was the People’s Liberation Army founded in 1927?2、为了强调某一部分，而把这部分放到句首，构成倒装。
e.g. Never have I been late for school this term.So early did he come to school that no other students came.二. 在特殊句型中：1.在疑问句中:eg: Is this your cell phone number? What do you prefer?2.在感叹句中：eg: How happy they are! What fun it is!3.在虚拟条件句中：eg: If I were a bird, I could fly freely.=……Had I known it earlier, I wouldn’t have lent him the money.Long live peace! May our friendship be everlasting!4.直接引语的一部分或全部放在句首时；eg: “You should have been here earlier,” said the teache r.“You,” said his father, “do the housework.”三、部分倒装就是把谓语中的be动词、助动词或情态动词置于主语前面。
常见于下列几种情况：(一). only所修饰的副词，介词短语或状语从句放在句首时，要用：only+ 状语+ be /助动词/情态动词+主语及其他Only when he told me the news did I know what had happened.Only in this way can you make progress in your English.注意：only修饰主语时，不需要倒装。
倒装句七种英语结构
倒装句七种英语结构倒装句是英语中一个常见的语法结构，它可以增强语言的表现力和表达的重点。
下面是七种常见的英语倒装句结构：1. 完全倒装句：将助动词或be动词放在主语之前，用于强调语序。
例如：Never have I seen such a beautiful sunset.2. 部分倒装句：将助动词或be动词和主语中间的词组交换位置，用于强调这个词组。
例如：At the end of the street stands a beautiful church.3. 一般疑问句倒装：将助动词放在主语之前，用于询问。
例如：Do you like coffee? -> Like you coffee?4. 否定疑问句倒装：将助动词和not连用放在主语之前，用于询问带有否定意义的问题。
例如：You don't like coffee, do you? -> Like you coffee or not?5. 情态动词倒装：将情态动词放在主语之前，用于强调语气。
例如：You must study hard. -> Must you study hard?6. only修饰副词或介词短语倒装：将only和它所修饰的副词或介词短语放在句首，用于强调。
例如：Only in this way can you solve the problem.7. 地点状语倒装：将表示地点的副词或介词短语放在句首，用于强调。
例如：In the garden sat a young couple.以上七种倒装句结构都可以增强语言的表现力和表达的重点，当然在日常表达中也要注意使用适当的语言结构，以便更加自然流畅地表达意思。
倒装句的结构与用法
倒装句的结构与用法倒装句是英语语法中一种常见的句式结构，它与普通句式的主谓语序不同，通过倒装来达到强调某种信息或使句子结构更加多样化的效果。
本文将介绍倒装句的结构和用法，并通过实例进行详细说明。
一、完全倒装句的结构和用法1. 完全倒装句的结构：助动词/情态动词/系动词 + 主语 + 谓语。
在这种结构中，谓语动词位于主语之前，与实义动词的常规语序相反。
例句1：Never have I seen such a beautiful sunset.例句2：Not only does she play the piano, but she also sings.2. 完全倒装句的用法：（1）表示地点、时间或条件的倒装句例句3：On the top of the mountain lies a beautiful temple.例句4：In no circumstances should children play with matches.（2）表示部分倒装句例句5：Only by working hard will you achieve your goals.例句6：Little did he know that his life would change forever.（3）表示否定意义的倒装句例句7：Not only did he fail the exam, but he also lost his scholarship.例句8：Under no circumstances should you tell anyone about this.二、半倒装句的结构和用法半倒装句是另一种常见的倒装结构，它只是将助动词/情态动词/系动词置于主语之前，而将主谓语的位置保持不变。
1. 半倒装句的结构：助动词/情态动词/系动词 + 主语 + 谓语。
例句9：Can John speak French?例句10：Could you please turn down the volume?2. 半倒装句的用法：（1）提问句的倒装例句11：Are you going to the party tonight?例句12：Has she finished her homework?（2）祝愿句和建议句的倒装例句13：Long live the Queen!例句14：May you have a wonderful journey!（3）虚拟语气句的倒装例句15：Had I known about the party, I would have attended.例句16：Were you to come, we could have had a great time together.三、倒装句的其他用法1. 在某些情况下，为了突出某一成分或强调句中的某种信息，常常通过将其提到句首来形成倒装句。
倒装句部分倒装的几种情况
倒装句部分倒装的几种情况
倒装句是指在英语中，动词放在主语之前的结构，倒装句主要有三种情况：
1. 完全倒装：将助动词或情态动词放在主语之前，即使没有助动词或情态动词时，也要使用do的形式作为助动词。
例子：
- Never have I been so scared.（我从未如此害怕过。
）
- Not only does she speak English fluently, but she also speaks French.（她不仅英语讲得很流利，还会讲法语。
）
- Rarely do they go out at night.（他们很少在晚上外出。
）
2.部分倒装：将助动词或情态动词放在主语之前，但仍保留其他动词在主语后面。
例子：
- He can speak French, so can I.（他能说法语，我也能。
）
- She has never been to Japan, nor have I.（她从未去过日本，我也是。
）
- He is not only a good singer, but also a talented dancer.（他不仅是个好歌手，而且是个才华横溢的舞者。
）
3.隐含倒装：在特殊情况下，主语和谓语的位置发生倒换，但不使用助动词或情态动词。
例子：
- There goes the bell.（铃响了。
）
- In walked the teacher.（老师走进来了。
英语倒装句的用法
英语倒装句的用法类型1）部分倒装---- 助动词\情态动词+主语+谓语的实义动词型2）全倒装---- 谓语+主语型在以下结构中用全倒装1.在there be或者There live(stand, appear. seem, remain, exist….) 句型中；如There are thousands of people on the square.→原语序：Thousands of people are there on the square.There lived an old fisherman in the village.→原语序：An old fisherman lived there in the village.A little girl stands there.__________________________________________________.2.在“here, there, now, thus, then+动词+主语”的句子中, (谓语动词为be, go, come,lie, run等，主语为名词);如: Now comes my turn.There goes the bell.Then came the order to leave.Here comes a bus= A bus comes here.3.在“out\ in, up\ down, off\away，in the distance, on the hill, round the corner”等表示方向性的副词或表示地点的介词词组位于句首，且主语又是名词，谓语是表示运动的动词。
Away went the crowed one by one.In came a stranger in black.Out rushed the children.On the floor were piles of old books.☆注意：主语必须是名词eg: Out she went.There they are. ( )Out went the girl. ( )Here the boy comes. ( )*4.有时为了强调表语，构成“表语+连系动词+主语”结构；eg: Lucky is she who was chosen to be a leader.=She who was chosen to be a leader is lucky.The days when women were looked down upon are gone!_____________________________________________________________________ *5、在某些表示愿望的感叹句，全倒装。
倒装句的四种情况与用法总结
倒装句的四种情况与用法总结倒装句是英语语法中的一种特殊结构，其谓语动词与主语的位置颠倒。
它的运用可以增添句子的丰富性和多样性，使文章表达更加精确和简洁。
本文将介绍倒装句的四种常见情况与用法。
一、完全倒装句完全倒装句的结构是：助动词/情态动词+主语+谓语动词。
这种倒装句常用于以下情况：1.以表示地点或方向的副词开头例如：Up the hill ran the little boy.Down the road came a black cat.2.以表示频率或程度的副词开头例如：Rarely have I seen such a beautiful sunset.So loudly did he speak that everyone turned to look.3.以表示否定意义的副词开头例如：Never have I heard such a bizarre story.Not until then did I realize the severity of the situation.二、部分倒装句部分倒装句是指将助动词/情态动词提前至句首，主语和谓语动词的位置保持不变。
这种倒装句常用于以下情况：1.以表示反义意义的副词开头例如：Hardly had he arrived home when the phone rang.Barely had she finished her speech when the audience applauded.2.以表示条件的状语从句开头例如：Should you need any assistance, please do not hesitate to contact me.Had it not been for your help, I would have failed the exam.三、拓展倒装句拓展倒装句是将某些表语、状语或其他成分提前至句首，与谓语动词形成倒装结构。
句子的倒装与部分倒装
句子的倒装与部分倒装倒装句是英语语法中的一种常见结构，它通常用于强调或改变句子的语气。
倒装句分为完全倒装和部分倒装两种形式。
下面将对句子的倒装和部分倒装进行详细讨论。
一、完全倒装在完全倒装结构中，谓语动词位于主语之前。
主要情况有以下几种：1. 在以Here, there, now, then等副词开头的句子中，将主语和谓语动词倒装。
例如：Here comes the bus.There goes the bell.Now is the time to act.2. 当表示地点或时间的介词短语放在句首时，将主语和谓语动词倒装。
例如：In the garden were some beautiful flowers.On the wall is a picture.3. 在使用否定副词以及否定副词短语进行强调时，将主语和谓语动词倒装。
例如：Never have I seen such a beautiful sunset.Not only is he a great musician, but also a talented writer.4. 在祈使句中，将谓语动词放在句首。
例如：Go away!Be quiet!二、部分倒装部分倒装句是指将助动词、情态动词或者be动词与主语之间的顺序颠倒。
常见情况包括：1. 否定副词或者词组放在句首进行强调时，将助动词、情态动词或be动词与主语之间的顺序颠倒。
例如：Under no circumstances should you give up.By no means will I forgive him.2. 在条件句中，将主语和谓语中的助动词、情态动词或者be动词倒装。
例如：Had I known the truth, I wouldn't have trusted him.Should you need any help, feel free to ask.3. 在含有only, hardly, little, seldom等词的句子中，将助动词、情态动词或be动词与主语之间的顺序颠倒。
倒装句的用法归纳
英语篇倒装是英语中十分常见的一种语法现象，主要分为部分倒装和全部倒装两种基本形式，是中考的考查热点之一。
对此，笔者结合实例分析了英语倒装句的具体用法，以期能够帮助同学们牢固地掌握这一语法知识点。
一、部分倒装句部分倒装，一般只需要将谓语的一部分，如助动词、情态动词或be 动词转移到主语之前即可。
具体情况如下：（1）当“only+状语”置于句首时，应使用部分倒装。
例如：Only in this way can we have enough ener-gy to study better.只有这样，我们才能够有足够的精力投入到学习中去。
Only by studying hard can you make great progress.只有努力学习，你才能取得更大的进步。
Only then did I realize the importance of health.直到那时我才意识到健康的重要性。
Only when the war was over could people live a happy life.只有当战争结束了,人们才能过上幸福的生活。
（2）当句子中有半否定词、否定词及其词组置于句首时，应使用部分倒装。
常见的有：no,not,never ，little ，few,seldom ，hardly ，no more ，no longer ，no sooner,not until ，at notime,in no way ，by no means 等。
例如：Never have I been frightened by a dog be-fore.我之前从来没有被一条狗吓到过。
Seldom does he help his mother with housework at home.他在家很少帮妈妈做家务。
At no time can we give up learning.在任何时候，我们都不能放弃学习。
倒装用法总结
倒装用法总结倒装是一种常用的语法手段，通过调整句子结构，以达到强调、突出某种信息的目的。
倒装可以分为以下三种类型：完全倒装、部分倒装和特殊倒装。
一、完全倒装完全倒装是指整个句子中的主语、谓语、宾语等成分的位置完全颠倒。
这种倒装主要用于以下情况：用于强调句子的主语。
例如：Here comes the bus.（公交车来了。
）用于强调句子的宾语。
例如：The book is on the table.（书在桌子上。
）用于强调状语。
例如：In came the teacher.（老师进来了。
）二、部分倒装部分倒装是指句子中的一部分成分的位置颠倒，如助动词、情态动词、be动词等。
这种倒装主要用于以下情况：用于疑问句中。
例如：Do you speak English?（你讲英语吗？）用于强调某种状态或动作。
例如：Never have I seen such a beautiful place.（我从未见过如此美丽的地方。
）用于条件状语从句中，表示虚拟语气。
例如：If only I werea doctor.（要是我是医生就好了。
）三、特殊倒装特殊倒装是指某些特定情况下需要使用的倒装形式，例如否定词位于句首时的倒装等。
这种倒装主要用于以下情况：用于含有否定词的句子中。
例如：Not only does he speak English well, but also he knows a lot about English culture.（他不仅英语说得好，还对英语文化了解很多。
）用于某些表示祝愿、感叹等感情色彩的句子中。
例如：Long live the people!用于某些固定句型中。
例如：Here is where I stand.（这是我的立场。
）总之，倒装是一种常用的语法手段，可以用来强调信息、突出某种情感或状态等。
掌握不同类型的倒装用法可以帮助我们更好地表达自己的意思，提高语言的表现力和感染力。
情态动词和倒装语法
Summary：can/could1) 表示能力（体力、知识、技能）。
此时可用be able to代替。
can只有一般现在时和一般过去式；而be able to则有更多的时态。
若表示过去做成具体某事的“能力”常用was/were able to 或managed to do2) 表示请求和允许。
3) 表示客观可能性、一时的可能性4) 表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。
Summary：may/might1) 表示请求和允许。
might比may语气更委婉,而不是过去式。
否定回答时可用can’t或mustn’t，表示“不可以，禁止”。
2) 表示推测、可能性（不用于疑问句）。
might表示的可能性比may小。
3）may用于祈使句，表示祝愿。
Summary：must1) must表示必须、必要(责任、义务、建议等)在回答引出的问句时，如果是否定的，不能用mustn’t（禁止，不准）而用needn’t, don’t have to（不必）2) must是说话人的主观看法，而have to则强调客观需要。
must只有一般现在时， have to 有更多的时态形式。
3) 表示推测、可能性（只用于肯定的陈述句）（对现在或将来推测用情态动词加动词原形、对过去推测用情态动词加have done）4）表示“偏执，固执”意为“偏要、偏偏等”Summary：shall1.Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见、向对方请示或提供帮助。
2.Shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁等。
3.shall 表示根据法律条文、规章制度等规定必须做某事Summary：should①表示责任或义务，劝告、建议和命令等意为“应该，应当”，这时它可以和 ought to，be supposed to 互换使用。
②表示基于常理或经验的猜测、推论，通常意为“应该会，按理说，想必会③用来表示意外、惊喜或者在说话人看来是不可思议的,常常意为“竟会，居然”。
倒装句的情态动词搭配
倒装句的情态动词搭配倒装句是英语中的一种语法结构，它通常会改变正常的词序，将谓语动词放在主语之前。
倒装句有多种形式，其中一种常见的形式是将情态动词与主语倒装，这种搭配在句子中起到强调或表达特定意义的作用。
本文将探讨倒装句中情态动词的搭配使用。
倒装结构一般用于以下三个情况：1. 在表示部分否定或限制的句子中，该结构常用以强调谓语动词。
例如：Not only does he speak fluent English, but he can also speak French.（他不仅英语讲得很流利，而且法语也会说。
）Only by working hard can you achieve success.（只有通过努力工作，你才能取得成功。
）2. 在以副词或短语开头的句子中，倒装结构常用于强调副词或短语本身。
例如：In no way can we accept such behavior.（我们绝对不能接受这种行为。
）Under no circumstances should you give up.（无论如何，你都不能放弃。
）3. 在虚拟条件句中，倒装结构常用以表示与现实情况相反的假设或愿望。
例如：Had I known the truth earlier, I would have made a different decision.（如果我早些知道真相，我会作出不同的决定。
）Should you need any assistance, please feel free to ask.（如果你需要任何帮助，请随时提问。
）情态动词与主语的倒装形式，常用于表示疑问、建议、命令、请求等具有语气或情感色彩的句子。
下面是一些常见的情态动词与主语倒装的搭配使用：1. Can/CouldCan you speak German?（你会说德语吗？）Could you lend me some money?（你能借我点钱吗？）2. May/MightMay I use your phone?（我可以用你的电话吗？）Might they be late for the meeting?（他们可能会迟到会议吗？）3. Shall/ShouldShall we go for a walk?（我们去散步吧？）Should you have any questions, please let me know.（如果你有任何问题，请告诉我。
情态动词和倒装
6. Only after I had known him for sometime __B_______
to appreciate his real worth.
A. do I begin
B. did I begin
C. I began
D. had I begun
倒装分为部分倒装和全部倒装
7.They have all got up, and _____B____.
倒装分为部分倒装和全部倒装
5. ___B________ the woman's possessions that she could
carry them in a single suitcase. A. Were so few B. So few were C. Few were so D. There were so few
4. ____D_____ considered the alternatives more carefully,
they would have realized that the second was better than the first.
A. If the committee members have B. Had the committee members been C. Though the committee members D. Had the committee members
情态动词完成时的用法（ have + done)
3. could+have done用于过去的事情，和can +have +V.ed 一样，但是更含蓄。
e.g. Where could she have gone?
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情态动词和倒装●1) This box is too heavy, _________give me a hand?A .would you mind B. would you pleaseC. will you like toD. will you please to●2) Research findings show we spend about two hours dreaming every night , no matterwhat we ____ during the day.A. should have doneB. would have doneC. may have doneD. must have done●3)It was very kind of you to do the washing-up,but you____ it.A. mustn't have doneB. wouldn't have doneC. mightn't have doneD. didn't have to do●4) If you don't like to swim, you ___ stay at home.A. should as wellB. may as wellC. can as wellD. would as well●5) You ____ him so closely;you should have kept your distance.A. shouldn't followB. mustn't followC. couldn't have been followingD. shouldn't have been following●6) You ___her in her office last Friday; she's been out of town fortwo weeks.A. needn't have seenB. must have seenC. might have seenD. couldn’t have seen●7) The room is in a terrible mess; it ____ cleaned.A. can't have beenB. shouldn't have beenC. mustn't have beenD. wouldn't have been●参考答案●1) B 2) C 3) D 4) B 5) D 6) D 7) A2．情态动词的测试要点●从以上例题可以看出，四级语法对情态动词的测试大体有以下几点。
●1）情态动词的基本用法，如①④⑤。
●2）情态动词+ 动词的完成形式的用法，如③⑥。
●3）情态动词的推测性用法⑦。
3．情态动词的应对策略●1）情态动词自身结构要正确●结构包括情态动词自身的搭配和其后的连带成分。
除ought外情态动词后接原形动词，测试中常将不同结构的动词置于一起设干扰项，如①。
四个选项都与请求有关，但would you mind后接动名词，一般说would you like to而不是will you like to，will you please后用原形动词，答案是would you please●2）注意情态动词推测性用法中各个情态动词使用的句型是否与题干句型一致。
●在情态动词的推测性用法中，must, can, may, might, could各用于不同的句型，应注意分辨。
具体使用规律为：must只用于肯定句中。
can/could不能用语肯定句中。
may/might不能用语疑问句中。
●另外还应注意can't表示"不可能"，may not表示"可能不"。
考试时，如果有原因说明自己的猜测，一般应该用must, can't而不是may, may not。
●如：He can't have stolen the money; he is not such kind of person. Some pleasant thingmust have happened to him. He is so excited.3）注意推测性用法中谓语动词发生的时间。
●如果推测的为过去的事情，情态动词后则用完成形式。
There must have been no one in, for nobody answered the phone.●如果推测的是正在进行的事情，情态动词后则用动词的进行形式。
They must be talking about something very secret.●如果推测的是现在的状态等，情态动词后则用原形动词He must be badly ill. He looks so pale.●如果推测的是将来发生的事情，情态动词后同样用原形动词，这时，情态动词只能是may/might。
There may be a terrible storm in the following few days.●4）注意"情态动词+动词的完成形式"所表达的意思与题干意思是否相符。
●shouldn‘t/oughtn’t to have done 本来不应该●You ____ him so closely; you should have kept your distance. A. shouldn't followB. mustn't followC. couldn't have been followingD. shouldn't have been following●might have done 本来应该（用来表示一种责备）You ______ even though you were busy at that time.A. might help himB. must have helped himC. might have helped himD. should help him●这类题在设计干扰项时，一般都会有情态动词推测性用法的涉及，同学们应注意分词上下文的逻辑和语意关系。
其它"情态动词+ 动词的完成形式"并不表示推测，而分别表示：●could have done本来能够He didn't take part in the competition, he _______ though.A. wonB. didn't winC. could winD. could have won●needn't have done 本来没不要You ________. There was plenty of time.A. needn't hurryB. can't hurryC. mustn't have hurriedD. needn't have hurried●should/ought to have done 本来应该You _______ me earlier. I could have helped you.A. should tell meB. should have toldC. need to tellD. needn't have told●5）注意常用情态动词的基本句法和表意功能●其它常用动词的用法，如shall表示"命令"、"威胁"、"许诺"或征求许可，may/mightas well等，同学们都应多多注意其用法。
倒装●倒装结构也是比较常见的一种句式，但考查的分量不大.●1) I could not persuade him to accept it, ___ make him see theimportance of it.A. if only I could notB. no more than I couldC. or I could notD. nor could I●2) Not until the game had begun ______at the sports ground.A. had he arrivedB. would he have arrivedC. did he arrive C. should he have arrived●3) The organization had broken no rules, but _____ had it actedresponsibly.A. neitherB. soC. eitherD. both●4) We have been told that under no circumstances ______ the telephonein the office for personal affairs.A. may we useB. we may useC. we could useD. did we use●5) Only under special circumstances_____to take make-up tests.A. are freshmen permittedB. freshmen are permittedC. permitted are freshmenD. are permitted freshmen●参考答案：1) D 2) C 3) A 4) A 5) A倒装测试范围和应对策略●倒装分部分倒装和全部倒装，但从近几年的测试来看，重点是部分倒装。
对于倒装句型同学们所应注意的就是在哪些情况下需要倒装，并且如何倒装。
注意下面常见的倒装条件。
●1）含有否定意味的词置于句首，主谓倒装。
应注意常用否定词语，如：hardly, barely, not, seldom, little, few, nowhere, never, at no time, by no means, in no way, in no case, under no circumstances, not until, not only…but also.., neither … nor…等。
如果是在从句的句首，则从句倒装，如4）题。
●2）only + 状语置于句首，主谓倒装。
Only后的状语可以是单词、短语，也可以是从句，要特别注意，从句并不倒装，而是主句倒装。