Tenses +example
Present Perfect
Past Simple
must (obligation)
had to
tomorrow
the next day / the day after / the following day
Past Simple
Past Perfect
will
would
yesterday
the day before / the previous day
Present Continuous
Past Continuous
may
might
today
that day
Present Perf Cont
Past Perfect Cont
needn't (present)
didn't have to/didn't need to
now
then