1) She saw Nina trying on a hat
2) Alice saw her sister took a book.
3) He saw his students stood next to school
4) Tom saw her left a room
5) she saw her children doing their homework
6)Olga saw Andrew sitting on sofa
7) Nick saw Ann writing something
8) She didn't hear me had come to the room
9) I didn't hear them talking
10) Have you ever heard her singing?
11) Have you ever heard him speak Italian
12) I saw Nick had come
13) I saw Georg coming along the street
14) I saw Nelli reading
15) We saw students dancing
16) We saw their parents talking
17) The teacher noticed pupils to talk
18)