I could mate you could mate she could mate we could mate you could mate they could mate
Forme en V-ing
I could be mating you could be mating she could be mating we could be mating you could be mating they could be mating
Perfect
I could have mated you could have mated she could have mated we could have mated you could have mated they could have mated
Perfect en V-ing
I could have been mating you could have been mating she could have been mating we could have been mating you could have been mating they could have been mating
Négation
Forme simple
I could not mate you could not mate she could not mate we could not mate you could not mate they could not mate
Forme en V-ing
I could not be mating you could not be mating she could not be mating we could not be mating you could not be mating they could not be mating
Perfect
I could not have mated you could not have mated she could not have mated we could not have mated you could not have mated they could not have mated
Perfect en V-ing
I could not have been mating you could not have been mating she could not have been mating we could not have been mating you could not have been mating they could not have been mating
Forme interrogative
Forme simple
could I mate? could you mate? could she mate? could we mate? could you mate? could they mate?
Forme en V-ing
could I be mating? could you be mating? could she be mating? could we be mating? could you be mating? could they be mating?
Perfect
could I have mated? could you have mated? could she have mated? could we have mated? could you have mated? could they have mated?
Perfect en V-ing
could I have been mating? could you have been mating? could she have been mating? could we have been mating? could you have been mating? could they have been mating?
Forme interro-négative
Forme simple
could I not mate? could you not mate? could she not mate? could we not mate? could you not mate? could they not mate?
Forme en V-ing
could I not be mating? could you not be mating? could she not be mating? could we not be mating? could you not be mating? could they not be mating?
Perfect
could I not have mated? could you not have mated? could she not have mated? could we not have mated? could you not have mated? could they not have mated?
Perfect en V-ing
could I not have been mating? could you not have been mating? could she not have been mating? could we not have been mating? could you not have been mating? could they not have been mating?