They (have)...........dinner at this time yesterday.
were having
He ..............(go) to Ba Na Hills last summer.
went
My family (not buy)..............a new house yet.
hasn't bought
Mai and Nam (play)..............chess now.
are playing
We often (go)...........to the cinema.
go
She (not visit)..............her grandparents last weekend.
didn't visit
He (walk).................to school when he (see)............an accident yesterday.
was walking / saw
you (go).............shopping last week?
Did you go ....?
Yesterday, when I (phone)...........my friends, they(play)..........football.
phoned / were playing