have的否定形式是haven't还是don't have
have的否定形式是haven't还是don't have
have got to否定形式是haven't got to还是not have got to?有几种否定形式?
have的否定形式什么情况下用don t have 什么情况用haven t 怎么区分?我一直不懂唉.
must的否定?must的否定是need't还是don't have to?
have的否定形式是haven
"没有"用英文说是haven't还是don't have?那么haven't和don't have有什么不同`
don't have to 是肯定还是否定?
have什么时候否定为haven't什么时候为don't have?
我们没有足够的食物是 We haven't enough food 还是We don't have enough foo
don’t have;haven’t和need的用法
haven't to与don't have to的用法
I don't have..与I haven't ..的区别