1 she was heard to sing a folk song.
2 he was seen to put his coat on.
3 the clock was heard to strike nine.
4 the rider was seen to disappear in the distance.
5 the plane was seen to take off.
6 he was expected to return in a fortnight.
7 she is known to be a talented actress.
8 he is supposed to be a foreigner.
9 he is considered to be a great man.
10 the telegram is expected to be sent tomorrow.