Could & Couldn't

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

• could

• couldn't

Her grandmother was bilingual: she __________ speak both English and Spanish.

• could

• couldn't

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

• could

• couldn't

In 1950, people __________ use mobile phones.

• could

• couldn't

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

• could

• couldn't

We ___________ open the door: it was locked from the inside!

• could

• couldn't

In 1900, people _________ watch TV.

• could

• couldn't

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

• could

• couldn't

In 1945, people __________ play video games.

• could

• couldn't

But they __________ play chess!

• could

• couldn't