I. Вкажіть речення, які містять інфінітивні конструкції: 1. He asked the student to define the unit of resistance more accurately.
2. We know him to be the first inventor of an electrical measuring instrument.
3. To prove this law experimentally is very difficult.
4. This scientist devoted all his life to the investigations in the field of organic
chemistry.
5. All bodies are known to absorb waves from other bodies.
6. He appeared to be a talented scientist.
7. They supposed the experiment to be very time-consuming.