However	Past continuous: e.g. "They were sleeping"	[a place] where
Question: Do you...	the most ...	Present Continuous: e.g. "He is sleeping."
I have... before (present perfect)	After that	Why
Past simple	[a thing] which	Present Simple
Have you ever...?	more... than	When
will for promises	will for spontaneous plans / predictions	Going to (plan or evidenced predictions)
A year ago	Question: Are you...?	Should...