I ____ lift the box. It was too heavy for me.
Couldn't
Could you stay home alone when you were 7 years old?
Yes, I could. / No, I couldn't.
Sarah _____ eat because she was ill.
Couldn't
We ____ open the door: it was locked from the inside!
Couldn't
Peter _____ play tennis last Monday: he had broken his arm!
Couldn't
But they _____ play chess!
Could
Could you swim when you were 4 years old?
Yes, I could. / No, I couldn't.
In 1945, people _____ play video games.
Couldn't
He ____ have done this. He was with me the whole time.
Couldn't
Could you ride a bike when you were 6 years old?
Yes, I could. / No, I couldn't.
Can a dog dig a hole?
Yes, it can.
Could you read when you were 2 years old?
Yes, I could. / No, I couldn't.
Could you cook when you were 3 years old?
Yes, I could. / No, I couldn't.
Can you practice English every day?
Yes, I can. / No, I can't.
Last Sunday, we _____ take any photos in the museum: it was forbidden.
Couldn't
_____ you stop doing that?
Could
Could you eat spicy food when you were 5?
Yes, I could. / No, I couldn't.
She _____ speak two languages: English and Spanish.
Could
If i _____ only turn back time.
Could
We ____ go to France next summer.
Could