Поместите глаголы в скобки в Прошлое Непрерывное. Помните: был / был + V.ing
They (play) football when their mother called them.
At 8 o’clock last night I (talk) on the phone.
He (read) while his brother (watch) TV.
The sun (shine) and the birds (sing).
I (sit) outside in the garden when something strange happened.
Joyce (walk) her dog when it started to rain.
Ben (play) chess while Tim (eat) lunch.
At 10 o’clock this morning she (do) her homework.

1were playing2 was  talking3 was reading    was  watching  (read  watched)4 was  shining    were  singing5 was  sitting6 was  walking7 was  playng    was  eating   (played   ate)8 was  doingЕсли два действия  происходили  одновременно и  имели равную  длительность, то  сонтиниуз  можно заменить на  симпл.