Задайте вопросы к подлежащему. 1. They were at school yesterday. 2. They were thirsty but they didn't drink any water because it was dirty. 3. The sailor did not discover any islands. 4. She couldn't speak English last year.

1. Who was at school yesterday? - вопросительное слово "who" в вопросе к подлежащему всегда ед. число, поэтому was

2. Who was thirsty but didn't drink any water because it was dirty? - вопросительное слово "who" в вопросе к подлежащему всегда ед. число, поэтому was

3. Who did not discover any islands? - отрицательные вопрос, поэтому didn't

4. Who couldn't speak English last year? - без особых правил

1. Who was at school yesterday?

2. Who was thirsty but didn't drink any water because it was dirty?

3. Who did not discover any islands?

4. Who couldn't speak English last year?