PRACTICE COULD - COULDN'T

When I was young, I [blank_start]_____________[blank_end] play the guitar: it was too difficult for me!

Her grandmother was bilingual: she [blank_start]_____________[blank_end] speak both English and Spanish.

Yesterday, Peter [blank_start]_____________[blank_end] do that exercise alone. So, he called me for help.

In 1950, people [blank_start]_____________[blank_end] use mobile phones.

When his mother was young, she [blank_start]_____________[blank_end] skate but she can't do it any longer.

In 1900, people [blank_start]_____________[blank_end] watch TV.

Mary's grandfather [blank_start]_____________[blank_end] play chess and he was the best!

In 1945, people [blank_start]_____________[blank_end] play video games.

But they [blank_start]_____________[blank_end] play chess!

Peter [blank_start]_____________[blank_end] play tennis last Monday: he had broken his arm!

When Ann was a teenager, she [blank_start]_____________[blank_end] watch a horror film: it was too frightening for her!

Mozart [blank_start]_____________[blank_end] play the piano when he was 5.