Exercise 1. Составьте предложения в the Present Perfect Continuous Tense. I/to read/this book/for three days.
 We/to play volleyball/ for twenty minutes.
 She/to clean/the flat/for more than an hour.
 Peter/to swim/for half an hour.
 Anna/to speak/on the phone/for an hour now.
You/to wait/for a bus/for ten minutes only.
 Nelly and Mary/to do the shopping/since early morning.
 It/to snow/since last night.
 Jack and his friend/ to ride bikes/for three hours now.
The teacher/to explain/ a grammar rule/since the beginning of the lesson.

Exercise 2. Поставьте глаголы в скобках в правильную форму Helen … (to wash) the dishes for fifteen minutes.
My classmates … (to write) a dictation since the beginning of the lesson.
Sam … (to drive) a car for five hours now.
I … (to look) for information on the subject since last Friday.
Molly … (to paint) this picture for three days now.