1.Вставьте “to” перед инфинитивом, где это необходимо. 1 . My son asked me … let him … go to the club....

Для вставки "to" перед инфинитивом нужно учитывать правила и особенности грамматики английского языка. Ниже приведены предложения с правильными вставками "to", где это необходимо.

1. My son asked me to let him go to the club.

   В данном предложении "to" ставится перед инфинитивом "let", так как инфинитив "let" требует "to" в таких конструкциях.

2. You must make him practice an hour a day.

   В этом предложении "make" используется в конструкции "make someone do something", где инфинитив идёт без "to".

3. She was made to repeat the song.

   После пассивной формы "was made" требуется инфинитив с "to".

4. He is not sure that it can be done, but he is willing to try.

   В первой части предложения "can" — модальный глагол, после которого инфинитив идёт без "to". Во второй части "willing" требует инфинитив с "to".

5. Let me help you with your work.

   В конструкции "let someone do something" инфинитив идёт без "to".

6. She asked me to read the letter carefully and to write an answer.

   В обоих случаях после "ask" инфинитив идёт с "to".

7. You ought to take care of your health.

   После "ought" всегда используется инфинитив с "to".

8. I looked for the book everywhere but could not find it.

   После модального глагола "could" инфинитив идёт без "to".

9. He was seen to leave the house.

   После пассивной формы "was seen" инфинитив идёт с "to".

10. We had to put on our overcoats because it was cold.

    После "had" инфинитив идёт с "to".

11. The man told me not to walk on the grass.

    После "told" инфинитив идёт с "to".

12. Have you heard him play the piano?

    В конструкции "hear someone do something" инфинитив идёт без "to".

13. You had better go there at once.

    В конструкции "had better" инфинитив идёт без "to".

14. I would rather not tell them about it.

    В конструкции "would rather" инфинитив идёт без "to".

15. We shall take a taxi so as not to miss the train.

    В данном случае используется выражение "so as not to", где инфинитив требует "to".

Надеюсь, это поможет лучше понять, когда использовать "to" перед инфинитивом в английском языке.

1. My son asked me to let him go to the club.
2. You must make him practice an hour a day.
3. She was made to repeat the song.
4. He is not sure that it can be done, but he is willing to try.
5. Let me help you with your work.
6. She asked me to read the letter carefully and to write an answer.
7. You ought to take care of your health.
8. I looked for the book everywhere but could not find it.
9. He was seen leaving the house.
10. We had to put on our overcoats because it was cold.
11. The man told me not to walk on the grass.
12. Have you heard him play the piano?
13. You had better go there at once.
14. I would rather not tell them about it.
15. We shall take a taxi so as not to miss the train.

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2. to
3. to
4. to, to
5. to
6. to, to
7. to
8. to
9. to
10. to
11. to
12. to
13. to
14. to
15. to