新概念英语二册 Lesson65 Jumbo versus the police 第（2）套PPT课件

1. What is Jill going to do?
She is going to meet some friends.
2. Must she get home at half past ten? 
Yes,she must.
3. How old is Jill?
She is eighteen.
4. Does her father want to give her the key?
No, he doesn’t.
5.When must Jill get home?
She must get home before a quarter past eleven.
6. Do she and her friends always enjoy themselves?
Yes,they do.
情态动词特点： 没有人称没有数，动词原形跟在后，否定疑问自身变。