Переведите предложения на русский язык и укажите функции инфинитива:

1.To know foreign languages is very important.
2.In order to know this process we must study it.
3.He spoke about the new school to be built on this farm.
4.Our aim is to become good specialists.
5.The new method to be used in cattle breeding was discussed at the conference.

1.The scientists are said to have improved soil fertility.
2.Three months will be required for them to finish their work.
3.Their group is known to work on a big farm.
4.I know these fertilizers to be applied regularly.

укажите функции инфинитива:

1.It is difficult to translate this text.
2.To know these processes we must study them.
3.These are the students to help the farmers in summer.
4.Our aim is to improve soil fertility.
5.To solve this problem now is very important both for industry and for agriculture.