1. Поставьте предложение в отрицательную форму: I was able to answer the question at once.
1. I wasnt able to answer the question at once.
2. I wasnt able answer the question at once.
3. I wasnt to be able to answer the question at once.
4. I wasnt to be able answer the question at once.

2. Поставьте предложение в отрицательную форму: They must have studied the contract terms.
1. They cant have studied the contract terms.
2. They must have not studied the contract terms.
3. They must not have studied the contract terms.

3. Поставьте предложение в отрицательную форму: You should have followed their advice.
1.You should have not followed their advice.
2.You shouldnt have followed their advice.
3.You didnt should have followed their advice.
4.You shouldnt havent followed their advice.

1. I wasnt able to answer the question at once.
2. They must not have studied the contract terms.
3. You shouldnt have followed their advice.

Если ответ по предмету Английский язык отсутствует или он оказался неправильным, то попробуй воспользоваться поиском других ответов во всей базе сайта.