Question

Bob was reading a book while the children ____________ (to sleep). were sleeping had been sleeping We use the Past Continuous Tense when we talk about two or more simultaneous actions in the past. We use the auxiliary verb 'were' for plural forms of nouns. 1

Accepted Answer

1 slept had slept past tenses

Task	Bob was reading a book while the children ____________ (to sleep).
Answer	1
a	were sleeping
b	slept
c	had been sleeping
d	had slept
comment	We use the Past Continuous Tense when we talk about two or more simultaneous actions in the past. We use the auxiliary verb 'were' for plural forms of nouns.
topic	past tenses
level	1

Sleeping Slept Past Bob Reading Book Children Sleep