句型转换（每空一词）。   

1. I have to help my parents at home on Saturday.（改为否定句）

    I                                               my parents at home on Saturday.

2. I have to study for my English test. (改为一般疑问句) 

                            have to study for your English test?

3. you, help , me , can, clean, room, the(连词成句) 

                                                                                 ?

4. Thank you for your help. (改为同义句) 

                          your help.

5. Can you come to my party? (作否定回答)

                    ,                                   。