句型转换。
（1）Mike’s family went to Shanghai yesterday.（改为否定句）
Mike’s family______ ______to Shanghai yesterday.
（2）They were in the office just now.（改为一般疑问句）
______ they in the office just now?
（3）We are going to see a parrot show tomorrow.（划线部分提问）
______you going to_____tomorrow?