This is an apple 改为否定句,怎么改?He looks at you.否定句:一般疑问句:回答:肯定:否定:This is an apple 否定句:一般疑问句:回答:肯定:否定:

He doesn't look at you
Does he look at you?
Yes,he does
No,he doesn't
There isn't an apple
Is there an apple?
Yes,there is.
No,there isn't

he doesn't look at you
does he look at you
yes he does
no he doesn't
this isn't an apple
is this an apple
yes it is
no it isn't

He doesn't look at me.
Does he look at me?
Yes,he does./No,he doesn't.
This isn't an apple.
Is this an apple?
Yes,it is./No,it isn't.

否定句: He doesn't look at you.
一般疑问句: Does he look at you?
回答:肯定: Yes, he does.
否定: No,he doesn't.
否定句: This isn't an apple.
一般疑问句: Is this an apple?
回答:肯定: Yes, it is.
否定:No, it isn't.

he looks at you
否定句 he doesn't look at you.
一般疑问句 Does he look at you?
回答 肯定 Yes,he does.
否定 No,he doesn't.
This is an apple
否定句 This is not an apple.
一般疑问句 Is this an apple?
回答 肯定 Yes,this is.
否定 No,this isn't.