who作疑问代词后谓语动词用什么Who _____ (play) the piano just now Helen did.用原形还是过去式

who作疑问代词后谓语动词用什么Who _____ (play) the piano just now Helen did.用原形还是过去式 疑问代词作主语,谓语动词用单还是复 who后用动词什么形式 who作主语时,谓语动词用单数还是复数快, i 做定语从句的先行词,who后的谓语动词be改用什么形式 疑问代词和不定代词用and连接做主语 谓语动词 用单数还是复数 Who has a book?还是Who have a book?who作主语时谓语动词将如何变化? those who后加定语从句,谓语动词用单数还是复数? who后接动词什么形式?为什么? 疑问副词?疑问代词?什么什么!英语中什么是疑问代词?什么是疑问副词?（切忌长篇大论!）一定要举例说明!比如：who,which,where,that……他们在从句中怎么用?特别是在定语从句中! 疑问代词和疑问副词不同?Could you tell me _______?A.Where is the nearest hotel B.Which is the nearest hotel应该选B,因为Which是疑问代词,可作主语那：Do you know _______?A.Who it is B.Who is it应该选什么?同样What、Where 1.if引导的条件状语从句能否使用现在完成时?2.what作疑问代词,什么情况下是作主语?1.if引导的条件状语从句能否使用现在完成时?2.what,who作疑问代词,什么情况下是作主语?如Who is your father?What h 不定代词：做主语谓语动词用单数,还有什么 不定代词everyone作主语时,谓语动词用单数吧?除此之外,还有哪些不定代词作主语时,谓语动词用单数呢? 用5个疑问代词各造2个句子：who whose which what whom , 疑问代词引导间接问句,动词是联系动词be时,可能有两种不同语序.如He asked,“Who is that man?”接上.】=He asked who the man was.=He asked who was the man. the only one of +复数名词 who 后的谓语动词都用单三吗 witch who 定于从句后谓语动词接单数形势还是复数形势