Modal Verbs
meaning of “catch up with”
meet (informal)
how to use “don’t have”?
is used to show the lack of necessity: you don’t have to do something, but you can if you want.
meaning of “come down with”
become sick
how tu use “must”?
is a modal verb that can be used to talk about the present or future. to refer to past obligation had to is used.
meaning of “get away with”
escape a punishment
how tu use “ought to”?
is used to talk about things that were ideal in the past, but didn’t happen.
how can yo substituded the “ought not to”?
shouldn’t.