Who have seen 语法有错误么?谁看过《社交网络》?

Who have seen 语法有错误么?谁看过《社交网络》? ”谁看过这部电影?“ who 作为单数?还是复数?who has seen the film 还是 who have s I have seen Sam and Tim yesterday.有什么错误? who can feel my lonely这句话语法有错误么? I never have seen语法正确吗 tom have made some mistake in his test这句话语法有错误么? 什么是基因社交网络呢? 社交网络最后那里是什么意思 请问这个句子语法有错误么? 谁有have you seen my sister evelyn歌词, _____,I have never seen anyone who's as JOHN ------------------,i have never seen anyone who's as capable