M3 Unit 1 Festivals around the World

Section VI Grammar - Modal Verbs

学习目标：掌握情态动词的基本含义和用法。

学习过程：语法知识-预习探究。

一 我的观察

1) Could the girl read before she went to school?

2) It can be interesting to go out for a walk.

3) He can't (couldn't) be over sixty.

4) Your mother may /might not know the truth.

5) It must have rained last night, for the ground is wet.

6) If you will read the book, I'll lend it to you.

7) Every time she was in trouble, she would go to him for help.

8) What shall we do this evening?

二 我的发现:

情态动词:有一定的词义，但不能单独作_____，和行为动词或连系动词连用，构成谓语。没有______和______的变化，但有些情态动词也有一般现在时和_____的变化

三 我的讲解

1) shall 用于第二、三人称，表示说话人给对方的命令、警告威胁、允诺或决心。

　You shall fail if you don't work hard. 表示：______________

　He shall have the book when I finish it. 表示：______________

　You shall do as I say. 表示：______________

　Nothing shall stop us from carrying out the plan. 表示：______________

2) will a) 表意愿，决心 b)表请求，建议 c)表示某种倾向或习惯性动作。

　The door won't open. 表示：______________

　I will do anything for you. 表示：______________

　Won't you drink some more coffee? 表示：______________

3) would

　a) 表示过去反复发生的动作或某种倾向

　b) 表示估计和猜想

c) 表意愿