Gerund |
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Present simple (ott) |
I can you can he can we can you can they can
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Present perfect (vtt) |
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Past Simple (ovt) |
I could you could he could we could you could they could
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Past perfect (vvt) |
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Present future (ottt) |
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Present future perfect (vttt) |
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Past future (ovtt) |
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Past future perfect (vvtt) |
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