Преобразует предложения в present perfect tense. 1.They (no to be) to England yet. 2. My friend and I (to see) an intresting film recently. 3. He (to call) me several times. 4. The pupils (not to do) the exercise yet. 5.The snow Just (to stop). 6.We never (to be) to Paris. 7.Mr.Brown just(to return) from Egypt. 8. My friend already (to call) me up twice from London.