Сопоставление инфинитива в функции определения

С инфинитивом в составном модальном сказуемом

После глагола be

Упражнение

Переведите следующие предложения, определив функцию инфи-нитива:

1. These methods are to be described in the next chapter.

2. The methods that are to be described next were widely
used some twenty years ago.

3. The methods to be described are used in our laboratory.

4. Which method is to be chosen in this case?

5. The method to be chosen in any particular case depends
on many factors.

6. X-ray analysis is to be applied to the study of this
material.

7. If a material is to be bleached with chlorine it must
be moistened.

8. The material to be bleached with chlorine should be
moistened.