Поставьте предложения в Past Future Indefinite:
1) she has one sister and two brothers
2) we have a large library at school
3) they have a new car
4) she has green eyes
5) Helen have a headache
6) the secretary has a new typewriter
7) Mr. Smith's office has three large windows/
По-моему в 5-ом предложении ошибка. Вместо have там должно быть has, не так ли?

1) she has one sister and two brothers - she had one sister and two brothers - she will have one sister and two brothers.
2) we have a large library at school - we had a large library at school - we shall/will have a large library at school
3) they have a new car - they had a new car - they will have a new car
4) she has green eyes - she had green eyes - she will have green eyes
5) Helen has a headache - Helen had a headache - Helen will have a headache
6) the secretary has a new typewriter - the secretary had a new typewriter - the secretary will have a new typewriter
7) Mr. Smith's office has three large windows. - Mr. Smith's office hadthree large windows.  Mr. Smith's office will have three large windows.