We use this modal...
Select the best choice from the dropdown list.
Check
to indicate a logical conclusion:
--select--
must
ought to
should
can
don't have to
would
to give strong advice to someone we know well:
--select--
must
ought to
should
can
don't have to
would
to say there is no obligation to do something:
--select--
must
ought to
should
can
don't have to
would
with
like
to indicate a preference in a polite way:
--select--
must
ought to
should
can
don't have to
would
to ask for permission from someone we know well:
--select--
must
ought to
should
can
don't have to
would
to indicate a duty or the best course of action:
--select--
must
ought to
should
can
don't have to
would
Check
OK