I could purr you could purr she could purr we could purr you could purr they could purr
Forme en V-ing
I could be purring you could be purring she could be purring we could be purring you could be purring they could be purring
Perfect
I could have purred you could have purred she could have purred we could have purred you could have purred they could have purred
Perfect en V-ing
I could have been purring you could have been purring she could have been purring we could have been purring you could have been purring they could have been purring
Négation
Forme simple
I could not purr you could not purr she could not purr we could not purr you could not purr they could not purr
Forme en V-ing
I could not be purring you could not be purring she could not be purring we could not be purring you could not be purring they could not be purring
Perfect
I could not have purred you could not have purred she could not have purred we could not have purred you could not have purred they could not have purred
Perfect en V-ing
I could not have been purring you could not have been purring she could not have been purring we could not have been purring you could not have been purring they could not have been purring
Forme interrogative
Forme simple
could I purr? could you purr? could she purr? could we purr? could you purr? could they purr?
Forme en V-ing
could I be purring? could you be purring? could she be purring? could we be purring? could you be purring? could they be purring?
Perfect
could I have purred? could you have purred? could she have purred? could we have purred? could you have purred? could they have purred?
Perfect en V-ing
could I have been purring? could you have been purring? could she have been purring? could we have been purring? could you have been purring? could they have been purring?
Forme interro-négative
Forme simple
could I not purr? could you not purr? could she not purr? could we not purr? could you not purr? could they not purr?
Forme en V-ing
could I not be purring? could you not be purring? could she not be purring? could we not be purring? could you not be purring? could they not be purring?
Perfect
could I not have purred? could you not have purred? could she not have purred? could we not have purred? could you not have purred? could they not have purred?
Perfect en V-ing
could I not have been purring? could you not have been purring? could she not have been purring? could we not have been purring? could you not have been purring? could they not have been purring?