句型转换。

1. The box is too heavy for him to carry.（改为同义句）

   The box                                    him to carry.

   The box is        heavy        he         carry it．

2. He asked her to marry him.（改为否定句）

    He asked her                  marry him.

3. My parents have never been to Beijing,                  ?（完成反意疑问句）

4. Never forget me,                  ?（完成反意疑问句）

5. His friend invited him to a costume party.（对画线部分提问)

          did his friend invite him____?