太12
幼苗
共回答了19个问题采纳率:78.9% 举报
实义动词的否定都要加do not/did not/does not
He does not work hard
He did not work hard in the past
have如果表示:有,那么否定可用do not也可直接用一个not
I don't have a brother.
I have not a brother.
I have no brother.
但have不表示“有”时,狗的要用do not
We do not have classes on Sunday、
1年前
2