in the classroom have to keep clean and quiet 语法正确吗?
问题描述：
in the classroom have to keep clean and quiet 语法正确吗?
答
你这个是错误的,英语的5种基本句型是主+谓；主+谓+宾；主+系+表；主+谓+直宾+间宾；主+谓+宾+宾补；其中能作主语的只能是名词或者代词,你这个是in the classroom是个介词短语不能作主语,所以我认为正确的应该是We ha...