Перепишите следующие предложения, подчеркните в них
глагол-сказуемое, определите его время, вид и залог. Переведите
предложения ** русский язык.
Например: is based – Pr. Simple Passive
1.Compound semiconductors have been applied to a great extent. 2. The
performance characteristics of amplifiers will have been altered. 3. The
model has been modified and is now being used in many practical
situations. 5. Magnetic amplifiers have been employed for some 50 years;
transistors were reported upon in 1948. 5. The problem will be dealt with in
the next chapter. 6. Which of the two operations is to be performed next?
7. Those who learn a foreign language must follow spelling and grammar
rules. 8. They left before the hour of the next meeting has been agreed
upon. 9. She was being laughed at by everybody. 10. They say that paper
must have been invented in China.