could clean
Verbe régulier : clean - cleaned- cleaned
Traduction française : nettoyer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could clean
you could clean
she could clean
we could clean
you could clean
they could clean 	I could be cleaning
you could be cleaning
she could be cleaning
we could be cleaning
you could be cleaning
they could be cleaning	I could have cleaned
you could have cleaned
she could have cleaned
we could have cleaned
you could have cleaned
they could have cleaned	I could have been cleaning
you could have been cleaning
she could have been cleaning
we could have been cleaning
you could have been cleaning
they could have been cleaning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't clean
you couldn't clean
she couldn't clean
we couldn't clean
you couldn't clean
they couldn't clean 	I couldn't be cleaning
you couldn't be cleaning
she couldn't be cleaning
we couldn't be cleaning
you couldn't be cleaning
they couldn't be cleaning	I couldn't have cleaned
you couldn't have cleaned
she couldn't have cleaned
we couldn't have cleaned
you couldn't have cleaned
they couldn't have cleaned	I couldn't have been cleaning
you couldn't have been cleaning
she couldn't have been cleaning
we couldn't have been cleaning
you couldn't have been cleaning
they couldn't have been cleaning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I clean?
could you clean?
could she clean?
could we clean?
could you clean?
could they clean? 	could I be cleaning?
could you be cleaning?
could she be cleaning?
could we be cleaning?
could you be cleaning?
could they be cleaning? 	could I have cleaned?
could you have cleaned?
could she have cleaned?
could we have cleaned?
could you have cleaned?
could they have cleaned? 	could I have been cleaning?
could you have been cleaning?
could she have been cleaning?
could we have been cleaning?
could you have been cleaning?
could they have been cleaning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I clean?
couldn't you clean?
couldn't she clean?
couldn't we clean?
couldn't you clean?
couldn't they clean? 	couldn't I be cleaning?
couldn't you be cleaning?
couldn't she be cleaning?
couldn't we be cleaning?
couldn't you be cleaning?
couldn't they be cleaning? 	couldn't I have cleaned?
couldn't you have cleaned?
couldn't she have cleaned?
couldn't we have cleaned?
couldn't you have cleaned?
couldn't they have cleaned? 	couldn't I have been cleaning?
couldn't you have been cleaning?
couldn't she have been cleaning?
couldn't we have been cleaning?
couldn't you have been cleaning?
couldn't they have been cleaning?