Нужно вставить в present perfect или present perfect continuous 1. many people believe that our climate (change) very markedly. 2. i (collect) the pictures with bridges since i graduated from the university. now i (collect) enough to organize an interest¬ing exhibition. 3. she (read) a fairy tale to the children since breakfast. they (not/finish) yet. 4. those people (wait) for a tram for the last fifteen minutes. i'm afraid, they don't know that the electricity (go) out. 5. what (happen) to mary? john (ring) her up the whole evening and nobody (answer). 6. "you (come) out at last," he said. "well, i (stand) here long, and (listen) to the nightingale." 7. so, you (arrive). we just (speak) of you. 8. "how long you (know) about it? " - "i (know) it all the time. 9. "why you (turn) off the music? " - "i (play) the records for hours; i'm tired now." 10. i definitely (decide) to give pendle up.
have been collecting
have collected
has been reading
haven't finished
have been waiting
has gone out
has happened
has been ringing
has answered
have come
have been standing
have been listening
далее по аналогии
8 PP, PP
9. PP, PPC
10 PP