He has come to me day before yesterday
He would come to me day before yesterday
He had come to me day before yesterday
He came to me day before yesterday
working
work
to do work
all of these
to see
meeting
to seeing
meet
No sooner had we reached the station the train left
No sooner had we reached the station then the train left
No sooner had we reached the train had left
No sooner had we reached the station than the train left
Scarcely had we started than it began to rain
Scarcely had we started when it began to rain
Scarcely had we started but it started to rain
Scarcely had we been started but it began to rain
Why you have done this?
Why did you have done this?
Why have you done this?
Why you had done this?
were laying
were lying
were laid
was laid
use
to use
the use
using
Would cook
had cook
cook
was cooking
when
like
as
as if