The children had to collect rubbish, didn’t they? или The children had to collect...

Question

The children had to collect rubbish, didn’t they? или The children had to collect rubbish, had not they? С объяснением

Answer 1

The children had to collect rubbish, didn’t they? В данном случае had to означает «должны/пришлось», поэтому вопросы будут содержать глагол didn’t как для Past Simple.