do difficult mathematics in your head
Can you / Could you/ Were you able to
tell a joke in English
Can you / Could you/ Were you able to
say "hello" in five languages
Can you / Could you/ Were you able to
Use the present perfect
Can you / Could you/ Were you able to
swim well
Can you / Could you/ Were you able to
juggle
Can you / Could you/ Were you able to
Sail a boat
Can you / Could you/ Were you able to
Cook
Can you / Could you/ Were you able to
Do yoga
Can you / Could you/ Were you able to
write poems
Can you / Could you/ Were you able to
Run fast
Can you / Could you/ Were you able to
Ride a horse
Can you / Could you/ Were you able to
remember people's birthdays
Can you / Could you/ Were you able to
get to sleep quickly
Can you / Could you/ Were you able to