could mystify
Verbe régulier : mystify - mystified- mystified
Traduction française : déconcerter - mystifier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could mystify
you could mystify
she could mystify
we could mystify
you could mystify
they could mystify 	I could be mystifying
you could be mystifying
she could be mystifying
we could be mystifying
you could be mystifying
they could be mystifying	I could have mystified
you could have mystified
she could have mystified
we could have mystified
you could have mystified
they could have mystified	I could have been mystifying
you could have been mystifying
she could have been mystifying
we could have been mystifying
you could have been mystifying
they could have been mystifying	

Négation 	
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I couldn't mystify
you couldn't mystify
she couldn't mystify
we couldn't mystify
you couldn't mystify
they couldn't mystify 	I couldn't be mystifying
you couldn't be mystifying
she couldn't be mystifying
we couldn't be mystifying
you couldn't be mystifying
they couldn't be mystifying	I couldn't have mystified
you couldn't have mystified
she couldn't have mystified
we couldn't have mystified
you couldn't have mystified
they couldn't have mystified	I couldn't have been mystifying
you couldn't have been mystifying
she couldn't have been mystifying
we couldn't have been mystifying
you couldn't have been mystifying
they couldn't have been mystifying	

Forme interrogative 	
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could I mystify?
could you mystify?
could she mystify?
could we mystify?
could you mystify?
could they mystify? 	could I be mystifying?
could you be mystifying?
could she be mystifying?
could we be mystifying?
could you be mystifying?
could they be mystifying? 	could I have mystified?
could you have mystified?
could she have mystified?
could we have mystified?
could you have mystified?
could they have mystified? 	could I have been mystifying?
could you have been mystifying?
could she have been mystifying?
could we have been mystifying?
could you have been mystifying?
could they have been mystifying? 	

Forme interro-négative 	
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couldn't I mystify?
couldn't you mystify?
couldn't she mystify?
couldn't we mystify?
couldn't you mystify?
couldn't they mystify? 	couldn't I be mystifying?
couldn't you be mystifying?
couldn't she be mystifying?
couldn't we be mystifying?
couldn't you be mystifying?
couldn't they be mystifying? 	couldn't I have mystified?
couldn't you have mystified?
couldn't she have mystified?
couldn't we have mystified?
couldn't you have mystified?
couldn't they have mystified? 	couldn't I have been mystifying?
couldn't you have been mystifying?
couldn't she have been mystifying?
couldn't we have been mystifying?
couldn't you have been mystifying?
couldn't they have been mystifying?