You ___ smoke here; it is forbidden.
Your answer: Unanswered
Correct answer: mustn't
Completed sentence: You mustn't smoke here; it is forbidden. Must and have to express obligation. Mustn't means prohibition, while don't have to means no necessity. Use had to for past obligation. Have to changes with the subject and uses do in questions and negatives.
There is no homework, so we ___ study tonight.
Your answer: Unanswered
Correct answer: don't have to
Completed sentence: There is no homework, so we don't have to study tonight. Must and have to express obligation. Mustn't means prohibition, while don't have to means no necessity. Use had to for past obligation. Have to changes with the subject and uses do in questions and negatives.
She ___ to wear a uniform at work.
Your answer: Unanswered
Correct answer: has
Completed sentence: She has to wear a uniform at work. Must and have to express obligation. Mustn't means prohibition, while don't have to means no necessity. Use had to for past obligation. Have to changes with the subject and uses do in questions and negatives.
Yesterday I ___ to leave early.
Your answer: Unanswered
Correct answer: had
Completed sentence: Yesterday I had to leave early. Must and have to express obligation. Mustn't means prohibition, while don't have to means no necessity. Use had to for past obligation. Have to changes with the subject and uses do in questions and negatives.
___ you have to work on Sundays?
Your answer: Unanswered
Correct answer: Do
Completed sentence: Do you have to work on Sundays? Must and have to express obligation. Mustn't means prohibition, while don't have to means no necessity. Use had to for past obligation. Have to changes with the subject and uses do in questions and negatives.
