could concoct
Verbe régulier : concoct - concocted- concocted
Traduction française : composer - combiner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could concoct
you could concoct
she could concoct
we could concoct
you could concoct
they could concoct 	I could be concocting
you could be concocting
she could be concocting
we could be concocting
you could be concocting
they could be concocting	I could have concocted
you could have concocted
she could have concocted
we could have concocted
you could have concocted
they could have concocted	I could have been concocting
you could have been concocting
she could have been concocting
we could have been concocting
you could have been concocting
they could have been concocting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't concoct
you couldn't concoct
she couldn't concoct
we couldn't concoct
you couldn't concoct
they couldn't concoct 	I couldn't be concocting
you couldn't be concocting
she couldn't be concocting
we couldn't be concocting
you couldn't be concocting
they couldn't be concocting	I couldn't have concocted
you couldn't have concocted
she couldn't have concocted
we couldn't have concocted
you couldn't have concocted
they couldn't have concocted	I couldn't have been concocting
you couldn't have been concocting
she couldn't have been concocting
we couldn't have been concocting
you couldn't have been concocting
they couldn't have been concocting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I concoct?
could you concoct?
could she concoct?
could we concoct?
could you concoct?
could they concoct? 	could I be concocting?
could you be concocting?
could she be concocting?
could we be concocting?
could you be concocting?
could they be concocting? 	could I have concocted?
could you have concocted?
could she have concocted?
could we have concocted?
could you have concocted?
could they have concocted? 	could I have been concocting?
could you have been concocting?
could she have been concocting?
could we have been concocting?
could you have been concocting?
could they have been concocting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I concoct?
couldn't you concoct?
couldn't she concoct?
couldn't we concoct?
couldn't you concoct?
couldn't they concoct? 	couldn't I be concocting?
couldn't you be concocting?
couldn't she be concocting?
couldn't we be concocting?
couldn't you be concocting?
couldn't they be concocting? 	couldn't I have concocted?
couldn't you have concocted?
couldn't she have concocted?
couldn't we have concocted?
couldn't you have concocted?
couldn't they have concocted? 	couldn't I have been concocting?
couldn't you have been concocting?
couldn't she have been concocting?
couldn't we have been concocting?
couldn't you have been concocting?
couldn't they have been concocting?