could deduce
Verbe régulier : deduce - deduced- deduced
Traduction française : déduire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could deduce
you could deduce
she could deduce
we could deduce
you could deduce
they could deduce 	I could be deducing
you could be deducing
she could be deducing
we could be deducing
you could be deducing
they could be deducing	I could have deduced
you could have deduced
she could have deduced
we could have deduced
you could have deduced
they could have deduced	I could have been deducing
you could have been deducing
she could have been deducing
we could have been deducing
you could have been deducing
they could have been deducing	

Négation 	
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I couldn't deduce
you couldn't deduce
she couldn't deduce
we couldn't deduce
you couldn't deduce
they couldn't deduce 	I couldn't be deducing
you couldn't be deducing
she couldn't be deducing
we couldn't be deducing
you couldn't be deducing
they couldn't be deducing	I couldn't have deduced
you couldn't have deduced
she couldn't have deduced
we couldn't have deduced
you couldn't have deduced
they couldn't have deduced	I couldn't have been deducing
you couldn't have been deducing
she couldn't have been deducing
we couldn't have been deducing
you couldn't have been deducing
they couldn't have been deducing	

Forme interrogative 	
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could I deduce?
could you deduce?
could she deduce?
could we deduce?
could you deduce?
could they deduce? 	could I be deducing?
could you be deducing?
could she be deducing?
could we be deducing?
could you be deducing?
could they be deducing? 	could I have deduced?
could you have deduced?
could she have deduced?
could we have deduced?
could you have deduced?
could they have deduced? 	could I have been deducing?
could you have been deducing?
could she have been deducing?
could we have been deducing?
could you have been deducing?
could they have been deducing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I deduce?
couldn't you deduce?
couldn't she deduce?
couldn't we deduce?
couldn't you deduce?
couldn't they deduce? 	couldn't I be deducing?
couldn't you be deducing?
couldn't she be deducing?
couldn't we be deducing?
couldn't you be deducing?
couldn't they be deducing? 	couldn't I have deduced?
couldn't you have deduced?
couldn't she have deduced?
couldn't we have deduced?
couldn't you have deduced?
couldn't they have deduced? 	couldn't I have been deducing?
couldn't you have been deducing?
couldn't she have been deducing?
couldn't we have been deducing?
couldn't you have been deducing?
couldn't they have been deducing?