Choose the necessary tense form of the verbs 1) i (have seen,saw) the doctor.i (have seen, saw) him two hours ago. 2) my friend (has been,was) there last winter. 3)the postman (has brought, brought ) a letter for you. he (has brought, brought ) the letter half an hour ago. 4)we (have lived, lived ) in brest in 1968.he (has lived,lived) in that village. 5)the mechanic (has caught cold,caught ) and he stays in bed. 6) mike (has missed, missed) two days.he (has missed,missed) two days last week.

1. I have seen the doctor. I saw him two hours ago.
2. My friend was there last winter.
3. The postman has brought a letter for you.
4. We lived in Brest in 1968. He has lived in that village.
5. The mechanic has caught cold and stays in bed.
6. Mike has missed two days. He missed two days last week.

Когда в предложении делается акцент на дате совершения действия (last winter, hour ago, in 1968, last week) мы используем Past Simple. Когда внимание уделяется действию и его эффекту в настоящем времени, использует Present Perfect.