一、情态动词注意事项
1、Could I borrow your book?
Yes. Of course you can.
2. Would you like to do it for me ?
Yes. I would.
2、推测语气
(1) 对现在或将来情况推测:must +动词原形。
must只能用于肯定。否定和疑问分别用can’t和can。
He must tell a lie. Can he tell a lie ?
He can’t tell a lie.
*Must-should/ought to –may-might/could+do
可能性依次减弱
1、Could I borrow your book?
Yes. Of course you can.
2. Would you like to do it for me ?
Yes. I would.
2、推测语气
(1) 对现在或将来情况推测:must +动词原形。
must只能用于肯定。否定和疑问分别用can’t和can。
He must tell a lie. Can he tell a lie ?
He can’t tell a lie.
*Must-should/ought to –may-might/could+do
可能性依次减弱