Question

把下列句子改为否定句 I have a ping--pong ball We have a basketball They have a new TV

They have many flowers
Mr Smith has a telephone
His aunt has a new TV
He has a nice room
There is an apple in the basket
There are some boys in ours class

Answer 1

I don't have a ping--pong ball
We don't have a basketball
They don't have a new TV
They don't have many flowers
Mr Smith doesn't have a telephone
His aunt doesn't have a new TV
He doesn't have a nice room
There isn't an apple in the basket
There aren't some boys in ours class

追问

Mr Smith doesn't have a telephone have为什么变原型了呢

追答

主语是第三人称单数的否定句，要用助动词doesn't,后面的动词要改成原形

追问

把下列句子改成一般疑问句并作肯定和否定回答
I have a ping--pong ball
We have a basketball
They have a new TV
They have many flowers

追答

Do you have a ping--pong ball?
Yes,I do.
No,I don't.
Do you have a basketball?
Yes,I do.
No,I don't.
Do they have a new TV ?
Yes,they do.
No,they don't.
Do they have many flowers?
Yes,they do.
No,they don't.

追问

Do you have a basketball?
Yes,I do.
No,I don't.
原句不是复数吗

追答

you 本身既可做单数你，也可做复数 你们