Can or could
He has 15 years old, so he ______________ a car. (Drive)
Can't drive
If the traffic gets worse, he __________ late. (Arrive)
May/Might arrive
I play football, and she plays football too. (Substitution)
I play football, and she does too.
I asked him if we ______________ running the following week. (Go)
Could go.
By the time we arrived, they ___________ already _______ the meeting. (Finished)
May/Might have already finished.
Yesterday, I studied English and I also studied chemistry. (Ellipsis)
Yesterday, I studied English and (also) chemistry
She can now run faster than she did before.
Can shows?
c) Ability in the present
When it rains, staying at home may well be the best option.
May well shows?
Strong possibility.
We were having a walk while we were waiting for the movie to start. (Ellipsis)
We were having a walk while waiting for the movie to start
If she had trained harder, she __________________ the competition. (Won)
Could have won
I’m not sure where they went, they ___________ a different way.(Take)
May/Might have taken
She liked my mum's red dress, but I preferred my mum's blue dress. We argued because she preferred the red dress and I preferred the blue one. (Substitution)
She liked my mum's red dress, but I preferred the blue one. We argued because of this.