последующие предложения, содержащие инфинитивные конструкции, подчеркните их в английском

Последующие предложения, содержащие инфинитивные конструкции, подчеркните их в британском предложении и назовите. 1. The plan proved to be a great success. 2. P. Chebyshev is known to have invented the arithmometer performing multiplication and division. 3. We suppose the experiment to be completed in a month. 4. The circuit is said to be open when no charges can move due to a break in


the path. 5. We know Isaac Newton to express the connection between force and motion in the form of several laws. 6. In some countries, the nuclear power plants are believed to produce about 80 per cent of the whole amount of energy. 7. Ebonite, rubber and glass are considered to be good insulators. 8.The line appeared to be demagnetized. 9. Every battery is known to possess two terminals.