1. поставьте предложение в отрицательную форму: you must try to settle the matter.
1 you must not to try to settle the matter.
2 you not must try to settle the matter.
3 you must not try to settle the matter.
2. поставьте предложение в отрицательную форму:
he should have used that pump.
1 he should has not used that pump.
2 he didn't should have use that pump.
3 he should not have used that pump.
4 he should have not used that pump.
5 he should not has used that pump.
3.поставьте предложение в отрицательную форму: they must have studied the contract terms.
1 they must have not studied the contract terms.
2 they must not have studied the contract terms.
3 they can't have studied the contract terms.
4. поставьте предложение в отрицательную форму: i was able to answer the question at once.
1 i wasn't to be able to answer the question at once.
2 i wasn't able to answer the question at once.
3 i wasn't able answer the question at once.
4 i wasn't to be able answer the question at once.
1) 3
2) 4
3) 1
4) 2
1.3.
2.4.
3.1.
4. 2.
Объяснение: