Exercise 1. Use 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. Put the right verbs in brackets 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.
The tourists … (to do) the sightseeing since nine o’clock.
You … (to work) as a computer programmer for more than fifteen years.
The wind … (to blow) since yesterday.
My grandfather … (to collect) coins since he was a boy.
Andy and Den … (to discuss) the plans for their winter holidays for two hours now.
A variety of simple perfect active and passive forms including time adverbials … so far, lately, all my life
Present Perfect Active and Passive — отличия
Когда мы хотим подчеркнуть, кто совершал действие, мы использует действительный залог. Если хотим подчеркнуть само действие, и на что оно было направлено – страдательный залог.
Маркеры времени зависят от смысла ситуации, описанной в предложении. Поэтому рассматривать указатели презент перфект удобнее на основе выделенных значений, которые имеет эта глагольная форма.