Verbo regular: snowboard - snowboarded - snowboarded
Afirmación
Forma simple
I could snowboard you could snowboard she could snowboard we could snowboard you could snowboard they could snowboard
Forma con V-ing
I could be snowboarding you could be snowboarding she could be snowboarding we could be snowboarding you could be snowboarding they could be snowboarding
Perfecto
I could have snowboarded you could have snowboarded she could have snowboarded we could have snowboarded you could have snowboarded they could have snowboarded
Perfecto con V-ing
I could have been snowboarding you could have been snowboarding she could have been snowboarding we could have been snowboarding you could have been snowboarding they could have been snowboarding
Negación
Forma simple
I could not snowboard you could not snowboard she could not snowboard we could not snowboard you could not snowboard they could not snowboard
Forma con V-ing
I could not be snowboarding you could not be snowboarding she could not be snowboarding we could not be snowboarding you could not be snowboarding they could not be snowboarding
Perfecto
I could not have snowboarded you could not have snowboarded she could not have snowboarded we could not have snowboarded you could not have snowboarded they could not have snowboarded
Perfecto con V-ing
I could not have been snowboarding you could not have been snowboarding she could not have been snowboarding we could not have been snowboarding you could not have been snowboarding they could not have been snowboarding
Forma interrogativa
Forma simple
could I snowboard? could you snowboard? could she snowboard? could we snowboard? could you snowboard? could they snowboard?
Forma con V-ing
could I be snowboarding? could you be snowboarding? could she be snowboarding? could we be snowboarding? could you be snowboarding? could they be snowboarding?
Perfecto
could I have snowboarded? could you have snowboarded? could she have snowboarded? could we have snowboarded? could you have snowboarded? could they have snowboarded?
Perfecto con V-ing
could I have been snowboarding? could you have been snowboarding? could she have been snowboarding? could we have been snowboarding? could you have been snowboarding? could they have been snowboarding?
Forma interro-negativa
Forma simple
could I not snowboard? could you not snowboard? could she not snowboard? could we not snowboard? could you not snowboard? could they not snowboard?
Forma con V-ing
could I not be snowboarding? could you not be snowboarding? could she not be snowboarding? could we not be snowboarding? could you not be snowboarding? could they not be snowboarding?
Perfecto
could I not have snowboarded? could you not have snowboarded? could she not have snowboarded? could we not have snowboarded? could you not have snowboarded? could they not have snowboarded?
Perfecto con V-ing
could I not have been snowboarding? could you not have been snowboarding? could she not have been snowboarding? could we not have been snowboarding? could you not have been snowboarding? could they not have been snowboarding?