内容正文:
Modal Verbs I
情态动词 I
一、情态动词概念
定义:
情态动词表示说话人的某种感情或语气,对某一动作或状态的某种态度。表示“需要、可以、必须、应当”等。
语法特征
1. 和动词原形构成复合谓语 (情+do/be done)
2. 没有人称,数的变化,但有些情态动词(如can/could, will/would, may/might)有一般式和过去式的变化。
二、情态动词用法梳理
一、情态动词表能力(能够)
二、情态动词表请求、允许(可不可以/请)
三、情态动词表必要性(必须/需要)
四、表倾向/习惯性(总是/总要/常常)
五、情态动词表推测(可能/一定/一定不可能)
六、特殊用法和结构
can(现在能力)/could (过去能力)
对比:be able to
(时态多,强调成功做成)
用法一、情态动词表能力(能够)
1. Tom comes from Australia; he _______ speak English very well.
练习(P12活学活用)
can
will/would
Will /would you (please) do sth.?
Would you like to do sth.?
can/could
Can/could you (please) do sth.?
may/might
May/Might I do sth.?
Shall (一、三人称)
Shall I/he/she/they do sth.?
(我要...吗?/你要他...吗?)
用法二、情态动词表请求、允许(可不可以/请)
2. I heard you bought a new book. ________ I have a look?
5._________ you like to have dinner with me?
练习(P12活学活用)
May/Could
Would
必须
must
=have to (不得不)
需要
need
不需要
needn’t
=don’t have to do=don’t need to do
用法三、情态动词表必要性(必须/需要)
mustn’t 禁止
7. When you cross the street, you _________ be careful with the passing cars.
练习(P12活学活用)
must
四、表倾向/习惯性(总是/常常)
In European countries, people will usually decorate churches.
Most ancient festivals would celebrate the end of cold weather.
will 一般倾向或习惯性动作
would 过去的习惯性动作或倾向=used to do sth.
10. When he was young, he ________ climb the small hill every morning.
练习(P12活学活用)
would
五、情态动词表推测(可能/一定/一定不可能)
一定
must (be)
可能
should/ought to can/could may/might
一定不可能
can’t(be)
>
>
6. Jack set out at seven in the morning; he_________ be here now.
8. It ________ be his mother, for she has been ill at home for a long time.
9. I ___________ come to the party with you,but I am not sure.
练习(P12活学活用)
should
can’t
may/might
六、特殊用法和结构
may/might as well
You might as well tell us the truth.
can never/can‘t be too + adj.
You can never be too careful in the street.
suggest/advise/command that sb.________(do) sth.
Modal Verbs I
情态动词 II
情态动词用法梳理
一、情态动词表能力(能够)
二、情态动词表请求、允许(可不可以/请)
三、情态动词表必要性(必须/需要)
四、表倾向/习惯性(总是/总要/常常)
五、情态动词表推测(可能/一定/一定不可能)
六、特殊用法和结构
1. She th