1. Can
2. Must
3. Had
4. Should
5. Was allowed
6. Was able
7. Have
Humans are nothing without knowledge. We must learn throughout our lives and teach the others around us. Surround yourselves with those who can teach you something, but not with those who knows nothing.
She doesn't wear a red dress . She wore a blue dress.
I didn't leave work early.I left work late.
We didn't go by train.We went by bus .
He doesn't lose his mobile phone.He lost wallet
You didn't have a sandwich.You had a salad
Какие из этих животных ты можешь держать дома?
I think PC is a good because I always use it