Заполните пропуски соответствующей формой глагола to be. 1. they in london last year. 2. he at work yesterday. 3. where you yasterday? -i at heathere. 4. your sister in moscow last week? - yes, she 5.my father a pupil twenty years ago. 6. the students at the cinema yeterday? - no, they not. 7. jane and john pupils last yeare. 8. my sister ill last month. 9. ivanov at the lesson yesterday? - no, he not, he ill. 10. the children in the yeard yeasterday.

1. they was in london last year. 2. he was at work yesterday. 3. where was you yesterday ? -i was at heathere. 4.was your sister in moscow last week? - yes, she was 5.my father was a pupil twenty years ago. 6. were the students at the cinema yeterday? - no, they were not. 7. jane and john were pupils last yeare. 8. my sister was. ill last month. 9. was ivanov at the lesson yesterday? - no, he was not, he was ill. 10. the children were in the yeard yeasterday.

1. He may use the diagrams for his report.

2. Every motion must be considered as a relative motion.

3. Fractions can be added if they have common denominator.

4. Most persons can hear sounds between 20 and 20,000 vibration per second.

5. The generator must be repaired as soon as possible

Трансформируйте предложения в

1. He might use the diagrams for his report.

2. Every motion had to be considered as a relative motion.

3. Fractions could be added if they have common denominator.

4. Most persons were able to hear sounds between 20 and 20,000 vibration per second.

5. The generator had to be be repaired as soon as possible

и будущее время

1. He will be allowed to use the diagrams for his report.

2. Every motion will have to be considered as a relative motion.

3. Fractions will be allowed to be added if they have common denominator.

4. Most persons will be able to hear sounds between 20 and 20,000 vibration per second.

5. The generator will have to be repaired as soon as possible