#1. Perfect Active. Open the brackets and put the verb into the right form. Translate the sentences.

Откройте скобки и переведите предложения. 1) Electricity (to replace) other sources of energy. 2) Why you (to tell) him about it? 3) Our electronics and radio electronics (to develop) from the country's only radio laboratory. 4) You ever (to be) to London? 5) He (to graduate) from our University by 2014.

#2. The Sequence of Tenses. Откройте скобки и переведите предложения. 1) It was announced that the cryogenic cable (to be invented) 2) The young scientist discovered that Newton (to make) in Russia. a mistake in his calculations. 3) Our professor informed us that he (to deliver) of materials next Thursday. the following lecture on strength 4) He was told that the lecturer (to be) in London recently. 5) My friend wanted to know if I (to study) English then.

#3. The Passive Voice. Откройте скобки и переведите предложения. 1) Some institutes of technology (to reorganize) 2) That problem (to discuss) at our meeting last week? into universities. 3) New methods of research (to use) 4) Many students (to enroll) in our laboratory nowadays. this year. 5) What questions (to discuss) next week?