Make negatives. Составьте отрицания. He worked at a factory. We finished our homework. They congratulated us on our success.

1. He didn't work at a factory.

2. We didn't finish our homework.

3. They didn't congratulate us on our success.

Построение отрицательного предложения в Past Simple:

I, you, we, they, he, she, it + did not (didn't) + V

He worked at a factory.

He didn't work at a factory.

We finished our homework.

We didn't finish our homework.

They congratulated us on our success.

They didn't congratulate us on our success.