I could mate you could mate he could mate we could mate you could mate they could mate
Forma con V-ing
I could be mating you could be mating he could be mating we could be mating you could be mating they could be mating
Perfetto
I could have mated you could have mated he could have mated we could have mated you could have mated they could have mated
Perfetto con V-ing
I could have been mating you could have been mating he could have been mating we could have been mating you could have been mating they could have been mating
Negazione
Forma semplice
I could not mate you could not mate he could not mate we could not mate you could not mate they could not mate
Forma con V-ing
I could not be mating you could not be mating he could not be mating we could not be mating you could not be mating they could not be mating
Perfetto
I could not have mated you could not have mated he could not have mated we could not have mated you could not have mated they could not have mated
Perfetto con V-ing
I could not have been mating you could not have been mating he could not have been mating we could not have been mating you could not have been mating they could not have been mating
Forma interrogativa
Forma semplice
could I mate? could you mate? could he mate? could we mate? could you mate? could they mate?
Forma con V-ing
could I be mating? could you be mating? could he be mating? could we be mating? could you be mating? could they be mating?
Perfetto
could I have mated? could you have mated? could he have mated? could we have mated? could you have mated? could they have mated?
Perfetto con V-ing
could I have been mating? could you have been mating? could he have been mating? could we have been mating? could you have been mating? could they have been mating?
Forma interro-negativa
Forma semplice
could I not mate? could you not mate? could he not mate? could we not mate? could you not mate? could they not mate?
Forma con V-ing
could I not be mating? could you not be mating? could he not be mating? could we not be mating? could you not be mating? could they not be mating?
Perfetto
could I not have mated? could you not have mated? could he not have mated? could we not have mated? could you not have mated? could they not have mated?
Perfetto con V-ing
could I not have been mating? could you not have been mating? could he not have been mating? could we not have been mating? could you not have been mating? could they not have been mating?