could fuck
Verbo regular: fuck - fucked- fucked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could fuck
you could fuck
he could fuck
we could fuck
you could fuck
they could fuck 	I could be fucking
you could be fucking
he could be fucking
we could be fucking
you could be fucking
they could be fucking	I could have fucked
you could have fucked
he could have fucked
we could have fucked
you could have fucked
they could have fucked	I could have been fucking
you could have been fucking
he could have been fucking
we could have been fucking
you could have been fucking
they could have been fucking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not fuck
you could not fuck
he could not fuck
we could not fuck
you could not fuck
they could not fuck 	I could not be fucking
you could not be fucking
he could not be fucking
we could not be fucking
you could not be fucking
they could not be fucking	I could not have fucked
you could not have fucked
he could not have fucked
we could not have fucked
you could not have fucked
they could not have fucked	I could not have been fucking
you could not have been fucking
he could not have been fucking
we could not have been fucking
you could not have been fucking
they could not have been fucking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I fuck?
could you fuck?
could he fuck?
could we fuck?
could you fuck?
could they fuck? 	could I be fucking?
could you be fucking?
could he be fucking?
could we be fucking?
could you be fucking?
could they be fucking? 	could I have fucked?
could you have fucked?
could he have fucked?
could we have fucked?
could you have fucked?
could they have fucked? 	could I have been fucking?
could you have been fucking?
could he have been fucking?
could we have been fucking?
could you have been fucking?
could they have been fucking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not fuck?
could you not fuck?
could he not fuck?
could we not fuck?
could you not fuck?
could they not fuck? 	could I not be fucking?
could you not be fucking?
could he not be fucking?
could we not be fucking?
could you not be fucking?
could they not be fucking? 	could I not have fucked?
could you not have fucked?
could he not have fucked?
could we not have fucked?
could you not have fucked?
could they not have fucked? 	could I not have been fucking?
could you not have been fucking?
could he not have been fucking?
could we not have been fucking?
could you not have been fucking?
could they not have been fucking?