1)
1. was
2. were
3. was
4, was
5. were
6. were
7. was
8. was
9. were
10. were
2)
1. was
2. was
3. was
4. were
5. were
6. was
7. was
8. were
3)
1. I was not John's wife
2. My grandparents were not poor
3. Susan was not a fat girl
4. My hair was not short
5. We were not artists
6. They were not husband and wife
4)
1. he wasn't
2. I wasn't
3. you were
4. he wasn't
5. it was
6. she was
7. they weren't
8. she wasn't
9. you were
10. it was
Объяснение:
was используется с I, he, she, it
were с you, we, they
отрицательная форма - was not (wasn't)/were not (weren't)
