English verb conjugation CAN SEEM
Regular verb: seem - seemed - seemed
Affirmation
Simple form
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it can seem
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V-ing form
--
it can be seeming
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Perfect
--
it can have seemed
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V-ing perfect
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it can have been seeming
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Negation
Simple form
--
it can't seem
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V-ing form
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it can't be seeming
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Perfect
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it can't have seemed
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V-ing perfect
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it can't have been seeming
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Interrogative form
Simple form
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can it seem?
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V-ing form
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can it be seeming?
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Perfect
--
can it have seemed?
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V-ing perfect
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can it have been seeming?
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Interro-negative form
Simple form
--
can't it seem?
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V-ing form
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can't it be seeming?
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Perfect
--
can't it have seemed?
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V-ing perfect
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can't it have been seeming?
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