1) children, men, boxes, leaves
2) 1.Have, havent
2.Has, has
3.Havent, havent
4.hasnt, hasnt
3)1. Him
2.Our
3.My
4.Them
4) 1.She plays tennis on Sunday
2. They dont go to school in summer
3. We usually go shopping at the weekend
5) 1
6) 1. Much, some
2. Many, any
7) 1.Where did she go last Sunday
2. Mary didnt watch TV yesterday
3. We bought a cake last Friday