Образуйте от данных предложений вопросительные и отрицательные 1i have to cook dinner after work 2 she must go to the university now 3 i won t be able to tell him the truth 4 he was to come at 6 yesterday/

1I have to cook dinner after work
I don't have to cook dinner after work/
Do I have to cook dinner after work?

 2 She must go to the University now
She mustn't go to the University now
Must she go to the University now ?

3 I won t be able to tell him the truth - Это и так уже отрицательное предложение, поэтому делаю утвердительное и вопросительное
I will be able to tell him the truth
  Will I be able to tell him the truth?

 4 He was to come at 6 yesterday/
He wasn't to come at 6 yesterday/
Was he to come at 6 yesterday?