4 Make the sentences negative.1. When Bill was 5, he used to play with his friends. - When Billwas 5, he didn't use to play with his friends.2. Jane used to play tennis four times a week when she wasa teen.3. When my mother was young, she used to take long walks.4. When Mark lived in the country, he used to drive a lot.​

2.Jane didn't play tennis four times a week when she was a teenager.

3.When my mother was little, she didn't go out very often.

4.When Mark lived in the country, he didn't drive much.

Объяснение:

После абзаца, где заданы вопросы (формат ЕГЭ) или даны ответы на вопросы (формат ГИА), нужно с красной строки написать почему Вы вынуждены заканчивать письмо:
например, I've got to go now. It's time to do my homework.
затем ссылка на последующие контакты (выберите любое из следующих вариантов)
Write (back) soon.
Take care and keep in touch!
Drop me a letter when you can.
Hope to hear from you soon.
В конце письма на отдельной строке - завершающая фраза (выберите любое из следующих вариантов):
With best wishes, или Best wishes, или All the best, Yours, или Lots of love, )после этих фраз запятая обязательна)
Под заключительной фразой на отдельной строке Ваше имя.
Таким образом, заключительная часть Вашего письма может выглядеть так:

Well, I'd better go now as I have lots of homework today. Drop me a letter when you can.
Best wishes,
Igor

A. 1. It was a small house built in 1830. 2.  Reading English books, write out interesting expressions. 3. Walking along the street yesterday, I met an old friend whom I hadn't seen for many years. 4. Working on the translation of this article, I learned a lot of interesting things about the history of old English towns. 5. Not knowing Petrov's address, we couldn't visit him. 6. Being very sick he could not keep working on the book. 7. I recognized the girl sitting at the piano at once but couldn't remember her name till my friend told me. 8. I was walking along unfamiliar streets looking at the buildings with interest.

B. 1. The engineer who was waiting for you yesterday has just rung up. Will you be able to talk to him today? 2. The man who wrote this book had probably travelled a lot. 3. The people sitting at the table were talking loudly and laughing. 4. All the students who have borrowed books from the library must return them after the exams. 5. The doctor who gave the lecture yesterday had come from the Far East.