内容正文:
Feeling Fun
--can’t & must 句型
Introduction
在前面的课程中,我们学到can的肯定形式可以表示许可,那么can的否定形式又可以表示什么?此外,must又可以表示什么?
Oh no! I lost my bag. I can’t find it.
Don’t worry! I’ll help you.
Oh no! I lost my keys. I can’t find it.
Don’t worry! I’ll help you.
I must hurry up. Oh no! I can’t catch the bus.
Don’t worry!
It’s only 7 o’clock.
I must go out. Oh no! I can’t open the door.
Don’t push!
You must pull.
What must he do?
He must do his homework.
What must we do?
We must do exercises a lot.
What will she do?
She will read her books.
What will you do?
I will watch TV.
Summary
can’t 表示某个行为不可能完成,这个行为的可能性机会几乎为0, 相当于汉语中“不能”或“不可能”。
Eg: I lost my money. I can’t find it.
Note: 与 can’t 相对的 can 并不表示“一定”,can 表示“可能”,表示该行为有可能发生,但不一定发生。
Summary
must 表示某一行为一定能发生,其可能性几乎为100%,相当于汉语中的“一定能”。
Eg: I work so hard. I must get a good grade.
I’ll pass the exam but I still need to study hard.
must 表示的可能性比 will 还要大。
Fill in the blanks with the correct forms of verbs given.
I lost my textbooks. I _____ find them.
D