I. объясните употребление временных форм глаголов в следующих предложениях: a. 1) i like chocolate. 2) my father drives to his office every day. 3) i know the answer. 4) she left home at 6 o’clock. 5) my friend will come here tomorrow. 6) i will help you. 7) i washed my face and neck. 8) they are always careful. 9) the sun rises in the east. it happened a very long time ago. b. 1) they say they are going to london tomorrow. 2) he was driving to his office when he saw jane. 3) we will be waiting for you tomorrow at 5 o’clock in the evening. 4) the students are reading texts now. 5) listen! they are speaking greek. 6) we will be playing tennis at 3 o’clock. 7) tomorrow i’m going to the library. 8) mother is making toasts in the kitchen now. she always makes toasts for breakfast. 9) john is doing his homework now. 10) while i was watching tv, my sister was cooking. c. 1) my friend has moved to london. 2) bill has just come back. 3) this year students of our group have read and discussed several books by english writers. 4) when i came, jack had already gone away. 5) they have been to different countries. 6) when i have finished my homework i will go to the cinema. 7) my friend has passed his examinations successfully. 8) he will have finished his report by monday. 9) when i came to the car park i realized that i had left my key at home. 10) by the time they came we had already discussed this question.
2. The scientist is developing a new source of energy. The scientist was developing a new source of energy. The scientist will be developing a new source of energy.
3. The engineers are working at the problem of using solar power. The engineers were working at the problem of using solar power. The engineers will be working at the problem of using solar power.
4. The people are not using poor methods of research. The people were not using poor methods of research. The people will not be using poor methods of research.
5. The students are not having an interesting discussion. The students were not having an interesting discussion. The students will not be having an interesting discussion.
6. The sun is not shining brightly. The sun was not shining brightly. The sun will not be shining brightly.
7. The workers are complaining about unsafe working conditions. The workers were complaining about unsafe working conditions. The workers will be complaining about unsafe working conditions.
8. The government is trying to protect consumers. The government was trying to protect consumers. The government will be trying to protect consumers.