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a) The Present Continuous
1) Look! The water ( to boil ). 2) Now our shop ( to repair) farm equipment. 3) We ( to water) the cabbages. 4) It ( to rain ). 5) The sown area under spring wheat ( to increase) rapidly. 6) They ( to breed) pedigreed stock. 7) New trends in hog production ( to develop) in this region. 8) We ( to leave for) Bristol.
b) The Past Continuous
1) It ( to rain) hard yesterday evening. 2) They ( to wait) for you at 5. 3) The number of fine fleece sheep ( to drop) rapidly throughout the 20th century. 4) What were they doing? They ( to feed) rabbits. 5) At that time I ( to prepare) a report on history. 6) I saw him yesterday. He ( to drive) so fast! 7) When you came in I ( to watch) TV.
c) The Future Continuous
1) I ( to wait) for you at 7. 2) I think the temperature of the solution ( to rise) during a minute. 3) The farm ( not to reduce) fields under oats so rapidly. 4) At 8 o’clock she ( to write) her composition. 5) Gradually mechanical feeding systems ( to replace) human labour. 6) This university ( to provide) special courses in forestry. 7) This time next week I ( to lie) on a beach in Florida.

a) The Present Continuous1) Look! The water is boiling. 2) Now our shop is repairing farm equipment. 3) We are watering the cabbages. 4) It is raining. 5) The sown area under spring wheat is increasing rapidly. 6) They are breeding pedigreed stock. 7) New trends in hog production is developing in this region. 8) We are leave for Bristol.b) The Past Continuous1) It was raining hard yesterday evening. 2) They were waiting for you at 5. 3) The number of fine fleece sheep was dropping rapidly throughout the 20th century. 4) What were they doing? They were feeding rabbits. 5) At that time I was preparing a report on history. 6) I saw him yesterday. He was driving so fast! 7) When you came in I was watching TV.c) The Future Continuous1) I will be waiting for you at 7. 2) I think the temperature of the solution will be rising during a minute. 3) The farm won't be reducing fields under oats so rapidly. 4) At 8 o’clock she will be writing her composition. 5) Gradually mechanical feeding systems will be replacing human labour. 6) This university will be providing special courses in forestry. 7) This time next week I will be lying on a beach in Florida.