13. Употребите глаголы в Present Perfect.

Решение:

1. I do — I have done
2. I have — I have had
3. I read — I have read
4. I eat — I have eaten
5. I drink — I have drunk
6. he does — he has done
7. he has — he has had
8. he sings — he has sung
9. he eats — he has eaten
10. he swims — he has swum