Чуть подправила исходное предложение ("friend" вместо "friends"). Общий вопрос: Did my friend visit his grandparents last summer? Специальный вопрос: When did my friend visit his grandparents? Разделительный вопрос: Last summer my friend visited his grandparents, didn't he? Отрицание: Last summer my friend didn't visit his grandparents.
1. «may/might I talk to your boss?» he asked. 2. The children may go for a walk tonight. 3. She said that they might smoke there. 4. Andy was allowed to leave school early yesterday because he was feeling unwell. 5. She told me that I might stay a little longer that night. 6. You may take the book home and keep it for a week. 7. They are allowed to leave their seats and walk up and down the class. 8. She is allowed to go home in a few days. 9. may I ask you to repeat the rule again? 10. Drivers are allowed to go at 40 kilometres an hour here.
1. «may/might I talk to your boss?» he asked. 2. The children may go for a walk tonight. 3. She said that they might smoke there. 4. Andy was allowed to leave school early yesterday because he was feeling unwell. 5. She told me that I might stay a little longer that night. 6. You may take the book home and keep it for a week. 7. They are allowed to leave their seats and walk up and down the class. 8. She is allowed to go home in a few days. 9. may I ask you to repeat the rule again? 10. Drivers are allowed to go at 40 kilometres an hour here.
Общий вопрос: Did my friend visit his grandparents last summer?
Специальный вопрос: When did my friend visit his grandparents?
Разделительный вопрос: Last summer my friend visited his grandparents, didn't he?
Отрицание: Last summer my friend didn't visit his grandparents.