Five years ago, I (cannot / couldn't) play the piano.
Five years ago, I couldn't play the piano.
When I be 20, I (may / might) become an engineer.
When I be 20, I might become an engineer.
We (can / can´t) speak English well. I am from USA.
We can speak English well.
(Might / May) I have a glass of water?
May I have a glass of water?
The volleyball team (can / could) go to the Olympics this year if they are lucky.
The volleyball team could go to the Olympics this year if they are lucky.
There is a small chance that we (may / might) go to the beach this weekend.
There is a small chance that we might go to the beach this weekend.
I (cannot / couldn't) run too fast when I was six years old.
I couldn't run too fast when I was six years old.
If you leave the stove on, the house (may / might) catch on fire.
If you leave the stove on, the house might catch on fire.
I think I (can / could) help you to learn math if you study hard.
I think I can help you to learn math if you study hard.
Billy and I (may / might) cook dinner tonight. it is a order.
Billy and I may cook dinner tonight. It is a order.