2. Use the appropriate form of the infinitive.
1. They want to be taken to the concert by their father.
2 .I am glad to have done all the homework yesterday.
3. This plant is known to produce tractors.
4. He wants his son to become a lawyer.
5. The enemy army was reported to have overthrown the defense lines and to be advancing towards the suburbs of the city.
6. He seems to know French very well: he is said to have spent his youth in Paris.
7. You had better call our distributors at once.
8. We are happy to be invited to the party.
9. That firm is reported to be conducting negotiations for the purchase of sugar.
10. It seemed to have been snowing heavily since early morning: the ground was covered with a deep layer of snow.
1) A transmission line forms a path from one place to another for directing the transmission of energy.
2) The model correctly predicted the poor performance of the 1858 transatlantic submarine telegraph cable.
3) The voltage on the wire at a given time can be assumed to be the same at all points.
4) The cable or wire should be treated as a transmission line if the length is greater than 1/100 of the wavelength.