Page 153 - Grammar Basic_Neat
P. 153
10/2/2023
USAGE
CAN COULD
# 2 Express a possibility # 2 Express a possibility in the past
(in general) (to express something is possible but did not
happen) ⇒ Could + have + V Pii
He could have passed last exam with a
Smoking can cause cancer.
high score.
USAGE
CAN COULD
# 3 Ask for permission or to # 3 Ask for permission or to request
request something (informal) something (more polite)
Can I ask a question? Could I speak to Ms. Loan, please?
Can you make less noise, please? Could you turn that music down a little?
4