be, was/were - been, have, had- had, get, got- got, hear, heard- heard, see, saw-seen, give, gave - given, say, said-said, drink, drank -drunk, make, made-made, do, did - done, find, found - found, spend, spent - spent, leave, left - left, keep, kept - kept, come, came- come, go, went - gone, eat, ate - eaten, buy, bought - bought, know, knew - known, swim, swam - swum

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