I
1. he
2. we
3. it
4. I
5. they
6. we
II
1. they
2. we
3. it
4. they
5. they
6. he
III
1. is
2. am
3. was
4. will be
5. is
6. was, is
IV
1. I clean my room every day.
2. My new book is ineteresting.
3. Her cat is clever.
4. I have a family.
V
1. a wife's coat
2. students' answers
3. a brother's book
4. a sister's mirror
VI
boxes
tables
geese
babies
children
families
VII
1. My brothers are students.
2. Their families are small.