Если не ошибаюсь Future Perfect Continuous это have will be + окончание -ing
1. She have will be studing in London for two years when I come here.
2. He have will be teacheng German for two years when I begin ro teach English.
3. By next July she have will be living here for five years.
4. At six o’clock I have will be working for five hours.
5. I have will be working at the library for 8 hours when you come there.
Если есть небольшие помарки то ты уж прости