2. Put the verbs in brackets into the Past Perfect Continuous Tense. 1) We (live) in the small village for two weeks when my brother came for a short visit. 2) He (try) to solve this problem for 5 years before at last he was a success. 3) We (walk) along the road for about 20 minutes when a car stopped and the driver offered us a lift. 4) They (develop) this project for 2 months when the chief came. 5) I knew right away that was the place I (look) for all my life. 6) He (work) at this plant for 2 years when he decided to change his work. 7) She said she (teach) at this school for 20 years. 8) I (solve) this problem for a week when I realized I should use another approach.

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