Ответ:

№242.

1. We didn't help her yesterday.

2. They didn't play chess yesterday.

3. She didn't clean her room yesterday.

4. She didn't wash the dress yesterday.

5. They didn't watch TV yesterday.

№243.

1. We didn't play badminton yesterday.

2. We didn't play badminton every day.

3.He didn't play hockey every day.

4. She didn't help mother every day.