I __________ on this project for two hours, and I'm getting really tired., have been working, had been working, By the time I arrived, they __________ for over an hour., have been waiting, had been waiting, She __________ for weeks; however, she still isn't confident., has been studying, had been studying, Lately, I __________ to lock my front door!, have been forgetting, had been forgetting, They __________ since last weekend. They'll be back next Friday., have been traveling, had been traveling, Before the storm hit, he __________ in the garden all morning., has been working, had been working, She __________ in that city for ten years before she moved to the countryside., has been living, had been living, Before the concert started, the musicians __________ for hours., have been rehearsing, had been rehearsing, Oh no! We __________ out of gas!, have just run, had just run, We __________ each other for years, and we are still best friends., have known, had known.

B26, Lesson 1, Page 25

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