1.I have to help my parents at home on Saturday.（改为否定句）
I___ ____ ____ ____my parents at home on Staurday.
2.I'm very busy tonight . I can't come to your party.(合并为一句话)
I'm_____ busy_____come to your party.
3.There will be a birthday party on Saturday.（对on Saturday提问）
____ _____ there _____ a birthday party.
1...I didn't have to help
2....too to
3....when will there
don't need to help
too to
when will be
1.I don't have to help my parents at home on Saturday
2.I'm too busy tonight to come to your party 3. When will there be a birthday party?1.don't have to help
2.too, to
3.When will, be
don't have to help
too to
When will be
don't have to help
too ...to
When will ....be