3. Cross out the wrong forms of the verbs. 1. Alex and Pete fought / were fighting when the teacher entered / was entering the classroom. 2. Emma broke / was breaking her pencil while she drew / was drawing a picture yesterday. 3. While the children played / were playing in the park it started / was starting to rain. 4. The phone rang / was ringing when I watched / was watching TV. 5. We listened / were listening to the radio when it stopped / was stopping working. 6. Mark and Bob saw / were seeing a dolphin while they swam / were swimming in the sea. 7. While Mr Rambler travelled / was travelling in the wildlife park he took / was taking a lot of pictures.

Перевод задания: Зачеркните неправильные формы глаголов.

1. Alex and Pete were fighting when the teacher entered the classroom. (Алекс и Пит дрались, когда учитель вошёл в класс.)
2. Emma broke her pencil while she was drawing a picture yesterday. (Вчера Эмма сломала карандаш, пока рисовала картину.)
3. While the children were playing in the park, it started to rain. (Пока дети играли в парке, начался дождь.)
4. The phone rang when I was watching TV. (Телефон зазвонил, когда я смотрел телевизор.)
5. We were listening to the radio when it stopped working. (Мы слушали радио, когда оно перестало работать.)
6. Mark and Bob saw a dolphin while they were swimming in the sea. (Марк и Боб увидели дельфина, когда плавали в море.)
7. While Mr Rambler was travelling in the wildlife park, he took a lot of pictures. (Пока мистер Рамблер путешествовал по парку дикой природы, он сделал много фотографий.)

Длительное действие, происходившее в определённый момент, ставится в Past Continuous; короткое событие, которое произошло на его фоне или прервало его, — в Past Simple.