用Who提问Iamreadingabook.Theyareintheclass.Weliketohavemathslesson.三个人回答,都是不同的,哪个对,

Question

用Who 提问
I am reading a book .
They are in the class .
We like to have maths lesson.
三个人回答,都是不同的,哪个对,

Answer 1

1、Who is reading a book?
2、Who is in the class?
3、Who is likes to have maths lesson?
Who把Be动词提前（am,is,are)提到句首,加上Who,但因为who与其它特殊疑问词不同（比如：where,what,when),它的提问是用第三人称单数形式(I是第一人称,you是第二人称,she、he、it是第三人称）,所以只能用is.