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?