past simple
They ....(discover)a problem during the meeting
discovered
They ...... (argue) quietly when the teacher walked in
were arguing
He ...... (forget) the password, so he couldn't log in
had forgotten
I ......(not play) outside when you were a child?
wouldn't, didn't use to
write a sentence for past state
For example: I had a car
Why ...........(shout) when the principle ..........(enter) the classroom.
were you, entered
By the time we arrived, she ....(left) so we couldn't meet her
had left
Make a sentence in the past continuous using "clean" and "call"
We were cleaning classroom when you called us