Past perfect = had + V3, We use past perfect for something happening after another past action., "She had finished her homework before she went out." is correct., "They had went home early." is correct., "Had you eaten before the party?" is a correct question., "He hadn't saw the movie." is correct., "Can't" means something is impossible., I———(finish) my homework before I slept., She ——-(no see)him before the meeting, ————By the time we arrived, the movie., ‏They———-(leave) before we came., it————be a cat. It's too big., He———-have been tired. He slept early., it————have been a bird. I'm not sure., She ———have forgotten the key. She is outside

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