can seem
Regular verb: seem - seemed- seemed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it can seem
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it can be seeming
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it can have seemed
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it can have been seeming
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Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it cannot seem
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it cannot be seeming
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it cannot have seemed
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it cannot have been seeming
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Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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can it seem?
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can it be seeming?
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can it have seemed?
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can it have been seeming?
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Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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can it not seem?
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can it not be seeming?
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can it not have seemed?
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can it not have been seeming?
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