Could or Couldn't

When I was young, I ___ play the guitar, it was too difficult for me!

• could

• couldn't

Yesterday, Peter ____ do that exercise alone. So, he called me for help.

• couldn't

• could

When his mother was young, she ____ skate but she can't do it any longer.

• couldn't

• could

Her grandmother was bilingual, she ____ speak both English and Spanish.

• could

• couldn't

In 1900, people ____ watch TV.

• could

• couldn't

When Ann was a teenager, she ____ watch a horror film, it was too frightening for her!

• could

• couldn't

Mozart ___ play the piano when he was 5.

• could

• couldn't

Last Sunday, we ___ take any photos in the museum, it was forbidden.

• could

• couldn't

We ___ open the door, it was locked from the inside!

• could

• couldn't

Mary's grandfather ___ play chess and he was the best!

• could

• couldn't