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Describe your behavior in hypothetical situations
You use
could
to say that something is possible in the future.
Look at the example:
Afrmative Form:
You could take the bus on time. (
suggestion
)
Negative Form:
You use to express impossibility. It’s negative only.
You couldn´t take the bus on time.
Interrogative form
: For a polite request.
Could you take the bus on time?
Subject + modal + infnitive verb + complement
You
could
take
the bus on time
Subject + modal in negative Form + infnitive verb + complement
You
couldn´t
take
the bus on time
Modal + subject + infnitive verb + complement
Could
you
take
the bus on time?
The Following pictures show you the a rmative, negative and interrogative Forms oF
could
.
Afrmative Form
Negative form
Interrogative form
You could take the bus on
time.
You couldn´t take the bus
on time.
Could you take the bus on
time?