1. it (has been snowing) steadily the whole week and it is still (snowing) 2. we (have been climbing) for six hours already, but we (haven't reach) the top of the mountain yet. 3. the pain has already (gone) but the child is still (crying). 4. have the workers (been working) very hard these two weeks? they (were) busy with the interior decoration of the house. 5. he (has been solving) the crossword puzzle for an hour and he (says) he is about to solve it as he (is thinking) over the last word оf it 6. he (has been working) at the language all the time and (has made) great progress. his pronunciation is rather good, only a slight accent (remains). 7. не (has finished) the first part of his book and now he (is writing) the second. he (has been working) at his book for two years. 8. dusliri hoffman, who (plays) the hero, (is giving) a fine performance. 9. why is your hair wet? have you been (swimming)? 10. doctors and scientists have recently shown the benefit of fish in the diet
1. The solar lamps are lighting the tunnel. The solar lamps were lighting the tunnel. The solar lamps will be lighting the tunnel. 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.
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.