Combine the two sentences into one using a complex object

Model 2: I noticed that he was standing near the door => I noticed him standing near the door.
1) The teacher noticed that he was looking through some magazine during the lecture. 2) I hear that somebody is crying. 3) It was pleasant to watch how they were enjoying themselves. 4) Out of the windows she watched how her children were playing in the garden.

1) The teacher noticed that him looking through some magazine during the lecture.

2) I hear somebody crying.

3) It was pleasant to watch them enjoying themselves.

4) Out of the windows she watched her children playing in the garden.