Употребите глаголы, данные в скобках, в Present, Past или Future Perfect

Употребите глаголы, данные в скобках, в Present, Past либо Future Perfect Continuous. 1. She (to work) for this company since last year. 2. I (to listen) to music for half an hour already. 3. How long you (smoke)? 4. Victor (to study) for 3 hours before he went to the park. 5. Jill and John (to redecorate) their house since last week. 6. I (to sit) for the exam for quite a time until I pass it successfully. 7. What are they doing here? They (to shout) for an hour. 8. How long he (to write) his composition already? 9. They (to walk) for 2 days before they reach the monastery. 10. What you (to read) since morning?