3.The windows, that men, this ladies, that feet, this potatoes, this Germans.
4.1. this are a boys.
2. that are a flowers.
3. that are an Englishmen.
4. this are not a mice.
5. it are a boxes.
6. are that a teeth?
5.1. my son's questions
2. boys' room
3. these students' work
4.Pushkin's poems
5.my friend's car