could corrade
Verbe régulier : corrade - corraded- corraded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could corrade
you could corrade
she could corrade
we could corrade
you could corrade
they could corrade 	I could be corrading
you could be corrading
she could be corrading
we could be corrading
you could be corrading
they could be corrading	I could have corraded
you could have corraded
she could have corraded
we could have corraded
you could have corraded
they could have corraded	I could have been corrading
you could have been corrading
she could have been corrading
we could have been corrading
you could have been corrading
they could have been corrading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't corrade
you couldn't corrade
she couldn't corrade
we couldn't corrade
you couldn't corrade
they couldn't corrade 	I couldn't be corrading
you couldn't be corrading
she couldn't be corrading
we couldn't be corrading
you couldn't be corrading
they couldn't be corrading	I couldn't have corraded
you couldn't have corraded
she couldn't have corraded
we couldn't have corraded
you couldn't have corraded
they couldn't have corraded	I couldn't have been corrading
you couldn't have been corrading
she couldn't have been corrading
we couldn't have been corrading
you couldn't have been corrading
they couldn't have been corrading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I corrade?
could you corrade?
could she corrade?
could we corrade?
could you corrade?
could they corrade? 	could I be corrading?
could you be corrading?
could she be corrading?
could we be corrading?
could you be corrading?
could they be corrading? 	could I have corraded?
could you have corraded?
could she have corraded?
could we have corraded?
could you have corraded?
could they have corraded? 	could I have been corrading?
could you have been corrading?
could she have been corrading?
could we have been corrading?
could you have been corrading?
could they have been corrading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I corrade?
couldn't you corrade?
couldn't she corrade?
couldn't we corrade?
couldn't you corrade?
couldn't they corrade? 	couldn't I be corrading?
couldn't you be corrading?
couldn't she be corrading?
couldn't we be corrading?
couldn't you be corrading?
couldn't they be corrading? 	couldn't I have corraded?
couldn't you have corraded?
couldn't she have corraded?
couldn't we have corraded?
couldn't you have corraded?
couldn't they have corraded? 	couldn't I have been corrading?
couldn't you have been corrading?
couldn't she have been corrading?
couldn't we have been corrading?
couldn't you have been corrading?
couldn't they have been corrading?