Англ язык помогите решить Write positive sentences in to be going

Англ язык помогите решить
Write positive sentences in to be going to:
1.I_brush_me_teeth
2 He_repair_the car
3.We_learn_Greek
4.I_write_some postcards
Write negative sentences in to be going to:
1.He (not / help) us
2.We (not / cook) dinner tonight
3.i (not\celebrate) my birthday this year
4.She (not\stay) with Amy
5.We (not\get up early) next sunday
Write question sentences in to be going to:
1. Lusy \ call \ a taxi
2. you \ sing \ a song \ for us
3. you \ cook \ dinner
4. she \ take part \ in the concert
5.they \ leave the house.

Надеюсь на вашу помощь!