85
10. The teacher/to explain/ a grammar rule/since the beginning of the lesson.
Exercise 2. Поставьте глаголы в скобках в правильную форму.
1. Helen … (to wash) the dishes for fifteen minutes.
2. My classmates … (to write) a dictation since the beginning of the lesson.
3. Sam … (to drive) a car for five hours now.
4. I … (to look) for information on the subject since last Friday.
5. Molly … (to paint) this picture for three days now.
6. The tourists … (to do) the sightseeing since nine o’clock.
7. You … (to work) as a computer programmer for more than fifteen years.
8. The wind … (to blow) since yesterday.
9. My grandfather … (to collect) coins since he was a boy.
10. Andy and Den … (to discuss) the plans for their winter holidays for two hours now
Достарыңызбен бөлісу: 
