Write: CAN, CAN’T, COULD, COULDN’T

I .......... drive a bus now but I (not) ......... when I was sixteen.

• Can/ couldn’t

• Could/ can’t

He (not) ........... go out last night.

• Can’t

• Couldn’t

How ......... I have been so silly when I was a teenager.

• Can

• Could

Birds and bats ......... fly.

• Can

• Could

We did the best we ...........

• Can

• Could

In 1870 we (not) ......... listen to the radio, but now we .........

• Can’t/ can

• Couldn’t/ can

I (not) ......... play golf tomorrow.

• Can’t

• Couldn’t

There was nothing we .......... do for you.

• Can

• Could