When I arrived, everybody else.... (already / leave) and I was alone
had already left
What .... (you / do) yesterday at eight?
were you doing
I ..........(meet) my best friend in primary school
met
He was tired because he.... (not sleep) the night before
hadn't slept.
He was tired because he ........ (not sleep) recently
hadn't been sleeping well.
When I heard Donald Trump was the new president, I ..... (cry)
cried
He failed his test because he .... (not study)
hadn't studied
The teacher was livid because the students.... (throw) spitballs at the board.
were throwing
I couldn't answer the question because I ..... (not pay) attention when the teacher asked it.
wasn't paying
I ............ (know) the answer to the question last week.
knew
He was sad when his girlfriend .... (break up) with him
broke
She was sad after her boyfriend ...... (break up) with her
had broken up
He ......... (lay) his keys on the table yesterday.
laid
They never bothered to do their homework and, as a result, they ...... (always / receive) bad marks
were always receiving
It's getting late and it's time we ...... (go) home
went
My little brothers were filthy because they .... (play) outside all day.
had been playing