0000000000000000000000000000

1. i am very tired. i (have been working) too much . 2. she ( had been look ing) throught the window for a few minutes before she answered my question. 3. he felt sleepy. he ( had been read ing) for 5 hours. 4 . in 30 minutes the student ( will have been writ ing) the test for three hours. 5. i don't think we'll go for a walk . it ( has been rain ing ) since 7 o'clock in the morning . 6 . next month i ( will have been study ing) maths for 7 years. 7. ann speak spanish very well. she ( has been learn ing) it for 2 years . 8 . james ( had been teach ing) geography for 15 years when we met. 9 . the children ( will have been watch ing) cartoons for two hours by the time their mother returns home . 10. he ( has been work ing) very hard since he became a sales manager . 11 . my hands are dirty. i ( have been clean) my car. 12 . in three years father ( will have been build ing) our country house for ten years . 13 . she ( had been learn ing) english for two years before she moved to london . 14. he saw that the woman ( had been listen ing) to the conversation with great interest . 15 . michael is the best player in our team . he ( has been play ing) football for five years.