Present Perfect Continuous

Форма глагола: have + been + Ving
has

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