急用,句型转换.【麻烦教教我为什么是这样做的.】He has a big house.(改为一般疑问句并作为肯定回答）Tina has knife.(改为复数形式）She has long legs.(同义句替换）We have a nice car.(改为一般疑问句并作否定回答）They have some brothers and sisters.(改为否定句）His eyes are small.(改为一般疑问句并作否定回答）

does he have a big house?
yes,he does.
tina has knives.
her legs are long.
do we have a nice car?
no,we don't
they don't have any brothers and sisters.
are his eyes small?
老兄，不由得说十分简单，但是你一点悬赏分都不给还想让人解释？

1.Does he have a big house? yes
2.Tina has knives.
3.Her legs are long.
4.Do you have a nice car? no
5.they don't have any brothers and sisters.
6.Are his eyes small? no

Does he have a big house? yes
Tina has knives.
Her legs are long.
Do you have a nice car? no
they don't have any brothers and sisters.
Are his eyes small? no

1，Does he have a big house? yes,2，Tina has knives.,3，Her legs are long.,4，Do you have a nice car? no,5，they don't have any brothers and sisters.,6，Are his eyes small? no

does he have a big house?
has是实义动词,对应的第三人称单数助动词是does,把does提到句首,has变成原型have,其他不变.
Tina has knifes
knife是可数名词变复数直接加-s
her legs are long
她的腿很长
They don't have some brothers and sisters
have是实义动词,所以直接加don't构成否定句.
- are his eyes small?
-No,they aren't
are是be（am,is ,are）动词,所以直接把are提到句首,其他不变.