ought to seem
Regular verb: seem - seemed- seemed

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