may seem
Verbo regular: seem - seemed- seemed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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it may seem
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it may be seeming
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it may have seemed
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it may have been seeming
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Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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it may not seem
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it may not be seeming
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it may not have seemed
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it may not have been seeming
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Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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may it seem?
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may it be seeming?
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may it have seemed?
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may it have been seeming?
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Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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may it not seem?
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may it not be seeming?
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-
- 	-
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may it not have seemed?
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-
- 	-
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may it not have been seeming?
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