请亲们帮我翻译一下，急急急！！！

1.否定句：He wasn't a student three years ago.
一般疑问句：Was he a student three years ago?
特殊疑问句：What was he three years ago?
2.否定句：I didn't have to clean my bedroom last night.
一般疑问句：Did I have to clean my bedroom last night?
特殊疑问句：What did I have to do last night?
3.否定句：They weren't in New York last year.
一般疑问句：Were they in New York last year?
特殊疑问句：Where were they in last year?
4.否定句：I did get a good result last school term.
一般疑问句：Did I get a good resuly last school term?
特殊疑问句：What result did I get last school term?