问主语，一般用Who ,问
宾格一般用whom，但口语中一般用who来代替whom。
如
I will go to Beijing with my friends.就my friends提问用 Who 或whom
Who will you go to BeiJing with？
或
Home will you go to BeiJing with？
注
就发现部分提问问什么就用相应的疑问词。
如 问时间用when 或What time
What time do you go to school every day?
你每天几点钟上学？
When is your birthday?
你的生日是什么时候？
问地点用where
Where are you from？你来自哪里？
问物体用 what
如 What is this？这是什么？
问原因用why
Why were you late for school yesterday?
你昨天上学为什么迟到？