His father said such a thing ________to happen.
A: not ought to allow
B: ought not to be allowed
C: ought not to allow
D: ought to not be allowed
A: not ought to allow
B: ought not to be allowed
C: ought not to allow
D: ought to not be allowed
举一反三
- He ought to have looked after his father, _______?
- He ought to have looked after his father, ______? A: oughtn't he B: ought he not to C: oughtn't he to D: oughtn't to he
- They () to have done such silly things. A: had ought B: hadn't ought C: didn't ought D: ought not
- She________ for what she has done. A: ought to praise B: ought be praised C: ought to praised D: ought to be praised
- You () her at the beginning, but now it is too late. A: ought to refuse B: have ought to refuse C: ought to have refused D: ought have refused