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Subjects
International English Language
General English grammar and vocabulary topics
Word Classes
Modal verbs (may, might, must, can, could, be able to, would, should, shall, will)
3.
Can or could
Exercise condition:
1.5
m.
Read these sentences and choose the correct answer to fill in the gaps.
1.
I never learned how to swim, so I ______ swim very well.
could
can
couldn't
can't
2.
When I was a baby, I _______ sleep all day long.
can't
couldn't
could
can
3.
If you worked harder, you ________ pass your exams.
could
can't
couldn't
can
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