精品-优秀PPT课件--be 动词否定句和一般疑问句.ppt

文档介绍：Tom is looking for some books.
Tom isn′t looking for any books.
Is Tom looking for any books?
Yes ,he is . No, he isn′t.
I am a teacher.
I am not a teacher.
Are you a teacher?
Yes, I am. No, I am not.
将下面句子变为否定句,一般疑问句并作出肯定否定两种回答。
1 This is my bag.
2 They are twins.
3 Tom and Jerry are good friends.
4 The flower is very beautiful .
5 The desk is broken.
6 He is having some dumplings.
7 They are flying kites.