中考英语-初中阶段的情态动词用法归纳复习课件概要.ppt

Will/ would Revision for Modal Verbs  Go for it! 九年级 ● The basic uses of Modal Verbs 6、Dare 7、Need 8、ought to 9、三点说明 10、典型错误 1、Can / could 2、May / might 3、Must 4、Shall / should 5、will / would 1. Can 表示能力 The parrot can speak three languages. 表示允许 Can I borrow the book from the library. 表示可能性 Shanghai can be very cold in March. Could 过去式；语气更委婉 2. Can 与 be able to Can 表示习惯能力， 而be able to表示经过那里而做成了某事。 2. 在否定结构中，二者可以互换。 3. can./could + have +p.p 1.在否定、疑问句中表示“对过去发生行为 的可能性猜测。 2. 在肯定句中表示“本来可以做而未做” The door was lacked. She couldn’t have been at home. You could have been more careful. 1. May 表示可能性 表示允许 表示祝愿 Might 过去式；语气更委婉 2. may/might + have +p.p 1.在否定、肯定句中表示对过去动作的推测 “也许是……” 2. Might+have+p.p表示虚拟，表“劝告、责备之意。” Eg. 1. She may be still waiting for us. 2. May I come in? 3.May you have a happy holiday. Eg. 1. He might have spoken to her yesterday. 2. You might have told me earlier. 1. Must 表示肯定的猜测,但只用于肯定句， 而mustn’t 表示“禁止、不准” 2. Must 、have to 与have got to Must表示主观 Have to表示客观需求 Have got to 多见于口语 3. must + have +p.p 对过去事情的肯定猜测。 Eg. The road is wet. It must have rained last night. 1、Shall /should 1、第一、三人称疑问句中表示“请求 或征求对方意见。 Eg. Shall I get you a cup of coffee? 2、第二、三人称陈述句中 1、表示允诺 “会（得到）。 2、表示命令/警告 威胁 “该回必须” 2、shall/should + have +p.p ought to 表示本应该做而未做。 should 过去式 语气更委婉 Eg. You should have been five minutes ago. 1、表示意愿 I’ll try my best to overcome the difficulty. 2、表示意图 What will you do? 3、表示请示 Will you halp me to put these books in order? 4、表示习惯动作 She will sit for hours without saying a word. Would 与 used to 1、Would 后只能接表示动作的动词。 2、used to 则还可以接表示状态的动词。 Eg. He used to be a worker. 1、情态动词用于否定、疑问句；条件从句中。 eg. 1. Dare you go here alone? 2. How dare you do such foolish things? 3. I won’t allow you to swim in the river, even if you dare d