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Describing situations of cause and effect
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Modals of possibility (may /might) and
advice (should)
We can use modals other than will in the main clause of a sentence in the
frst conditional.
This means that the consequence is not certain.
It is possible, but not def
-
nite.
Examples:
If my father comes tomorrow, I might go home early, or
I may go swimming.
I’ll ask my friend if we change the meeting.
If you ask Peter, he may/might be able to buy the vegetables. (Possibilty)
If you ever go to Tabasco, you should take a trip to the coast. (Advice)
If you don’t understand so well, you should ask your teacher again.
(Advice)
Possible variations of the basic form:
Look at the next examples:
Sometimes instead of if + present + future, we may have:
if
+ present +
may / might (
possibility)
If
+ present +
should
or any expression of command, request or advice.
If the weather keeps changing,
the wild animals from Canada
might
lose their habitat.
If your children are back from
the school, you
may
go home
at once.