Напишите, какое время употреблено в каждом предложении: He was having a bath when the phone rang. She left the house at about 7 pm yesterday.
I was cooking while Tom was reading.
She was sleeping at 6 pm yesterday afternoon.

1.Past Continuous

2. Past Simple

3.Past continuous

4 and 5-Past continuous

He was having a bath when the phone rang.  

Past Continuous - Past Simple

She left the house at about 7 pm yesterday.

Past Simple

I was cooking while Tom was reading.

Past Continuous

She was sleeping at 6 pm yesterday afternoon.

Past Continuous

PS: Past Simple

Ved/2form                  (v-verb)

Past Continuous

was/were + Ving