could decease
Verbe régulier : decease - deceased- deceased
Traduction française : décéder 

Affirmation 	
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I could decease
you could decease
she could decease
we could decease
you could decease
they could decease 	I could be deceasing
you could be deceasing
she could be deceasing
we could be deceasing
you could be deceasing
they could be deceasing	I could have deceased
you could have deceased
she could have deceased
we could have deceased
you could have deceased
they could have deceased	I could have been deceasing
you could have been deceasing
she could have been deceasing
we could have been deceasing
you could have been deceasing
they could have been deceasing	

Négation 	
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I couldn't decease
you couldn't decease
she couldn't decease
we couldn't decease
you couldn't decease
they couldn't decease 	I couldn't be deceasing
you couldn't be deceasing
she couldn't be deceasing
we couldn't be deceasing
you couldn't be deceasing
they couldn't be deceasing	I couldn't have deceased
you couldn't have deceased
she couldn't have deceased
we couldn't have deceased
you couldn't have deceased
they couldn't have deceased	I couldn't have been deceasing
you couldn't have been deceasing
she couldn't have been deceasing
we couldn't have been deceasing
you couldn't have been deceasing
they couldn't have been deceasing	

Forme interrogative 	
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could I decease?
could you decease?
could she decease?
could we decease?
could you decease?
could they decease? 	could I be deceasing?
could you be deceasing?
could she be deceasing?
could we be deceasing?
could you be deceasing?
could they be deceasing? 	could I have deceased?
could you have deceased?
could she have deceased?
could we have deceased?
could you have deceased?
could they have deceased? 	could I have been deceasing?
could you have been deceasing?
could she have been deceasing?
could we have been deceasing?
could you have been deceasing?
could they have been deceasing? 	

Forme interro-négative 	
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couldn't I decease?
couldn't you decease?
couldn't she decease?
couldn't we decease?
couldn't you decease?
couldn't they decease? 	couldn't I be deceasing?
couldn't you be deceasing?
couldn't she be deceasing?
couldn't we be deceasing?
couldn't you be deceasing?
couldn't they be deceasing? 	couldn't I have deceased?
couldn't you have deceased?
couldn't she have deceased?
couldn't we have deceased?
couldn't you have deceased?
couldn't they have deceased? 	couldn't I have been deceasing?
couldn't you have been deceasing?
couldn't she have been deceasing?
couldn't we have been deceasing?
couldn't you have been deceasing?
couldn't they have been deceasing?