Question

英语作业

将下列句子先变为否定句，再变为一般疑问句，并作肯定和否定回答：
1、This is an eraser.
2、That's her book.
3、He's a good boy.
4、I’m her teacher.
5、she is a nice girl.

Answer 1

单把答案给你不行吧，下次又不懂有得问了……还是讲解一下为好：
把句子改成否定句，先要把谓语改为否定形式：V.+not 或其所写的否定形式，若欲知如何，请详查有关书籍，在此不做相关归纳。改为一般疑问句，就分两种情况：1.谓语为Be动词时，就把Be动词放到句子前面，然后后面的词语按顺序照抄。2.谓语为普通动词时，就依时态行事，根据时态变化。一般来说，就是找到相应的时态的助动词，把其放到句首，把原句中的动词通通改为原型，然后按原句的单词顺序在助动词后面照抄即可。
答案：1.This is not an eraser./This isn't an eraser.
Is this an eraser?
Yes,it is.
No,it is not./No,it isn't.

2.That's not her book./That isn't her book.
Is that her book?
Yes,it is.
No,it's not./No,it isn't.
3.He's not a good boy./He isn't a good boy.
Is he a good boy?
Yes,he is .
No,he's not./No,he isn't.
4.I'm not her teacher.
Are you her teacher?
Yes,I am.
No,I am not./No,I 'm not.
5.She is not a nice girl./She isn't a nice girl.
Is she a nice girl?
Yes,she is.
No,she is not ./No,she isn't.
下次应该明白了吧？
祝你学业有成！！

Answer 2

1. This isn't an eraser.
Is this an eraser?
Yes, it is.
No, it isn't.

2. That isn't her book.
Is that her book?
Yes, it is.
No, it isn't.

3. He isn't a good boy.
Is he a good boy?
Yes, he is.
No, he isn't.

4. I am not her teacher.
Are you her teacher?
Yes, I am.
No, I am not.

5. She isn't a nice girl.
Is she a nice girl?
Yes, she is.
No, she isn't.

Answer 3

1、This is not an eraser.
Is this an eraser.
Yes, it is。
No, it isn't。

2、That's not her book.
Is that her book?
Yes, it is。
No, it isn't。

3、He's not a good boy.
Is he a good boy?
Yes, he is。
No, he isn't。

4、I’m not her teacher.
Are you her teacher? （或：Am I her teacher? 自己问自己也可以的)
Yes, I am。
No, i'm not。

5、she is not a nice girl.
Is she a nice girl？
Yes,she is。
No, she isn't。

Answer 4

1、This is an eraser.
this is not an eraser.
Is this an eraser?
Yes, it is./no, it isn't.

2、That's her book.
That isn't her book
Is that her book?
Yes, it is./no, it isn't.

3、He's a good boy.
He isn't a good boy.
Is he a good boy?
Yes. he is./No, he isn't.

4、I’m her teacher.
I'm not her teacher.
Are you her teacher?
Yes, I am./No, I am not.

5、she is a nice girl.
She isn't a nice girl.
Is she a nice girl?
Yes, she is./No, she isn't.

Answer 5

1 This isn't an eraser. Is this an eraser? Yes,it is./No,it's not.
2 Thant's not her book. Is that her book? Yes it is./No,it's not.
3 He isn't a good boy. Is he a good boy? Yes he is./No,he isn't.
4 I'm not her teacher. Am I her teacher? Yes I am./No,I'm not.
5 She isn't a nice girl. Is she a nice girl? Yes,she is./No,she isn't.