Modals in the past

Kate’s car keys are here. She ... (drive) there.

John had a terrible accident. I was his fault, he ... (make) a mistake.

I didn't know you needed help. You ... (tell) me.

I am so tired, I .... (work out) so much yesterday.

The only possible explanation is that you sent the text to someone else. You ... (send) the text to someone else.

It is possible you didn’t dial the correct number. You ... (dial) the correct number.

Možná odešel ze školy dříve. - všechny způsoby.

Kate ten film určitě viděla.