知识点1:情态动词的用法
[1]情态动词,用法,相关知识点知识点1:准情态动词had better的用法归纳(五“式”)误:You had better not to go.正:You had better not go. 3. had better的疑问式通常将had置于主语之前。如:Had we better go now? 我们现在该走了吗?在否定疑问句或反意疑问句中可将not与had连用。如:Hadn’t we better

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。
[2]否定句,疑问句,相关知识点there be的否定句与疑问句Is there room for me in the car? 车子里还有我坐的地方吗?Are there any letters for me? 有我的信吗?若谓语中包括有助动词或情态动词,通常将助动词或情态动词移至句首构成疑问式:Has there been an accident? 出事了吗?Have there been any new
Can this be true?
This can't be done by him.
How can this be true?
二、 may, might
[3]might单词记忆法◆记忆方法一:联想方式:night-might一个n,一个m,合起来nm(纳闷)在金融风暴的影响下,晚上纳闷的人可能比较多。◆记忆方法二:联想方式:night-might一个n,一个m,合起来nm(纳闷)记忆方法:在金融风暴的影响下,晚上纳闷的人可能比较多。
1) 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”。
----Might/ May I smoke in this room?
---- No, you mustn't.
---- May/Might I take this book out of the room?
[4]the room,book,相关知识点crowded在这句话中应作为形容词,所以这句话不是被动语态而是系表结构,如:The room was crowded with books.[误] The room soon was crowded by people.[正] The room soon was crowded with people.[析] crowded在这句话中应作为形容词,所以这句话不是被动语态而是系
---- Yes, you can. (No, you can't / mustn't. )
用May I...?征徇对方许可时比较正式和客气,而用Can I...?在口语中更常见。
2)用于祈使句,表示祝愿。
May you succeed!
3) 表示推测、可能性(不用于疑问句)。
might不是过去式,它所表示的可能性比may小。
1.He may /might be very busy now.
2.Your mother may /might not know the truth.
[5]mother单词记忆法◆记忆方法一:联想方式:mo(莫)+t(提)+her(她的)记忆方法:莫提起她的母亲,否则她会伤心。
三、 must, have to
[6]have to,have,相关知识点have go还是have to gohave go还是have to go请看下面的题,是选have go还是have to go?Whom would you rather _________ with you, Jim or Jack?A. have go B. have to go C. have gone D. has to go有的同学从一看选项便首先排除了A,认为
1) 表示必须、必要。
You must come in time.
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).
---- Must we hand in our exercise books today?
---- Yes, you must.
[7]must单词记忆法◆记忆方法一:联想方式:mu-(沐)+st-(身体)算命大师算命前,沐(mu)身体是必须的工作。◆记忆方法二:联想方式:mu-(沐)+st-(身体)记忆方法:算命大师算命前,沐(mu)身体是必须的工作。