Помогите пожалуйста очень очень на сейчас необходимо(((Make these sentences (1)interrogative, (2)

Помогите пожалуйста очень очень на сейчас необходимо(((Make these sentences (1)interrogative, (2) negative. 1 a) She has to decide immediately. b) she must decide immediately. 2 a) We have to take a taxi. b) We must take a taxi. 3 a) I have to stay here. b)I must stay here. 4 a) You have to wait for him. b) You must wait for him. 5 a) He has to hurry. b) He must hurry. 6 a) You have to call a doctor. b) You must call a doctor. 7 a) They have to go home. b) They must go home.