1) I know that English schoolchildren have already seen the centre of Moscow and the Kremlin.
2) If youve never seen Hyde Park, visit it on Sunday.
3) We realized that our guests had already told the schoolchildren about their trip.
4) Weve just come. We havent taken off our coats yet.
5) The teacher told us where he had been and what he had seen.
6) Our friends told us that they had already been to the new museum.
7) We believe that the world has changed for the better.
8) When the travellers found a little boy in a forest, they realized he had been living completely alone for a long time.
9) When we read M. Twains book, we decided to watch the play based on it.
10) After John had drawn a picture of Lucy, he realized he had lived out his dream.
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