Philip ... swim. He swims very well, can, could, Philip ... play the piano at all. He doesn't like it., can, can't, Dima ... ride a bike when he was 5, can, could, I ... understand English when I was 15, could, can, ... you swim when you were 3?, can, could, can't, Felix ... run very fast. He is a big fan of running, could, can, My uncle ... run fast, he's not athletic., can, can't, could, Tim and I ... speak English very well. We travel every year., can, can't, could

Can, could

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