could describe
Verbe régulier : describe - described- described
Traduction française : décrire - définir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could describe
you could describe
she could describe
we could describe
you could describe
they could describe 	I could be describing
you could be describing
she could be describing
we could be describing
you could be describing
they could be describing	I could have described
you could have described
she could have described
we could have described
you could have described
they could have described	I could have been describing
you could have been describing
she could have been describing
we could have been describing
you could have been describing
they could have been describing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't describe
you couldn't describe
she couldn't describe
we couldn't describe
you couldn't describe
they couldn't describe 	I couldn't be describing
you couldn't be describing
she couldn't be describing
we couldn't be describing
you couldn't be describing
they couldn't be describing	I couldn't have described
you couldn't have described
she couldn't have described
we couldn't have described
you couldn't have described
they couldn't have described	I couldn't have been describing
you couldn't have been describing
she couldn't have been describing
we couldn't have been describing
you couldn't have been describing
they couldn't have been describing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I describe?
could you describe?
could she describe?
could we describe?
could you describe?
could they describe? 	could I be describing?
could you be describing?
could she be describing?
could we be describing?
could you be describing?
could they be describing? 	could I have described?
could you have described?
could she have described?
could we have described?
could you have described?
could they have described? 	could I have been describing?
could you have been describing?
could she have been describing?
could we have been describing?
could you have been describing?
could they have been describing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I describe?
couldn't you describe?
couldn't she describe?
couldn't we describe?
couldn't you describe?
couldn't they describe? 	couldn't I be describing?
couldn't you be describing?
couldn't she be describing?
couldn't we be describing?
couldn't you be describing?
couldn't they be describing? 	couldn't I have described?
couldn't you have described?
couldn't she have described?
couldn't we have described?
couldn't you have described?
couldn't they have described? 	couldn't I have been describing?
couldn't you have been describing?
couldn't she have been describing?
couldn't we have been describing?
couldn't you have been describing?
couldn't they have been describing?