A. must B. had to C. have to D. should
A. mustn’t B. have to C. don’t have to D. must to not
A. I have to call my mum because it’s her birthday. B. I ought to call my mum because it's her birthday. C. I should call my mum because it's her birthday. D. I could call my mum because it's her birthday
A. oughtn’t to B. can’t C. shouldn’t D. don’t have to
A. must, mustn’t B. should, shouldn’t C. can, can’t D. has to, doesn’t have to
A. must B. has to C. should D. all of the above
A. have stolen B. stole C. has stolen D. had stolen
A. had B. hadn’t C. did D. didn’t
A. leave B. left C. had left D. hadn’t left
A. be B. were C. had been D. have been