Modals - CAN vs COULD

.......... I ask you something?

• Can

• Could

• Both is acceptable.

She said I .......... come as often as I liked.

• could

• can

Jack .......... go to work yesterday as he was ill.

• could not

• cannot

• Both are acceptable.

.......... you lend me some money until tomorrow, please?

• Could

• Can

• Both are acceptable.

When I was a child, I ......... play whenever I wanted to.

• could

• can

She .......... walk before because of the accident, but now she .......... .

• couldn't, can

• can't, could

I .......... understand what she said.

• couldn't

• can't

• can

Penguins .......... swim very well.

• can

• could

I .......... run fast when I was younger.

• could

• can

He has a broken leg, so he .......... walk for a few weeks.

• couldn't

• can't