Question

1. The boys were telling jokes while / when Mr Roberts came up to

them.

2. I was speaking on the phone when / while my sister came into the

room.

3. Betty was having a bath when / while her sister was making tea.

4. Mother was making a cake while / when father was washing the car.

5. I was walking to school when / while I saw my classmate on the

opposite side of the street.​

Answer 1

1. The boys were telling jokes when Mr Roberts came up to them.

2. I was speaking on the phone when my sister came into the room.

3. Betty was having a bath while her sister was making tea.

4. Mother was making a cake while father was washing the car.

5. I was walking to school when I saw my classmate on the opposite side of the street.​

Сподіваюся допомогла)

Answer 2

Ответ:

1. Сначала переведём:

while—в то время как

when—когда

2. Как определяем?
Если везде Past Progressive, то while.

Если есть Past Simple и Past Progressive, то when.

1)When,потому что сначала идёт Past Progressive, а потом Past Simple.

2)When, потому что сначала идёт Past Progressive, а потом Past Simple.

3)While, потому что везде Past Progressive.

4)While, потому что везде Past Progressive.

5)When,потому что сначала идёт Past Progressive, а потом Past Simple.