求鉴定这是英语句子是否错误 错了更改

when he has class?---when does he have class?
Bob doesn't have a counselor,does he?-----对的
who is your English instructor?-----对的
you're new,are you?------You are new,aren't you?
what happens after class on Friday?-------what happened after class on Friday?-------
she doesn't have a lot of experience,DOES she?
they don't talk a lot,do they?----对的
why DO i need five classes this semester?
what subject DO you like (BEST)?
we don't have OUR / ANY / MUCH homework,don't we?
what time does class BEGIN

1,错，改为：When does he have class?
2，对
3，对
4，错，改为：You're new,aren't you?
5，对
6，错，改为：She doesn't have a lot of experience, does she?
7，对
8，，改为：Why does I need five classes this...