巨型转换：（否定句,疑问句及肯定否定回答）1 There is an English book on the desk2 There are some pupils in the class3 There is some water in the glass4 There is a puppy in the box5 There are some children in the park

以上5个句子均是There be ……结构，肯定句
变为否定句：There be not ……
变为疑问句：Be there……，be not there？
肯定回答 Yes，there be.
否定回答 No，there be not.

1.There isn't an English book on the desk.
Is there an English book on the desk?
Yes,there is.
Noe,there isn't.
2.There aren't any pupils in the class.
Are there any pupils in the class?
Yes,there are.
No,there aren't.
3.There isn't any watere in the glass.
Is there any water in the glass?
Yes,there is.
No,there isn't.
4.There isn't a puppy in the box.
Is there a puppy in the box?
Yes,there is.
No,there isn't.
5.There aren't any children in the park.
Are there any children in the park?
Yes,there are.
No,there aren't.
注：there be 句型的否定句在is/are后加not：is not= isn't,are not= aren't
一般疑问句和否定句要变some 为any