English verb conjugation
CAN FUCK

Regular verb: fuck - fucked - fucked

Affirmation

Simple form	V-ing form
I can fuck you can fuck he can fuck we can fuck you can fuck they can fuck	I can be fucking you can be fucking he can be fucking we can be fucking you can be fucking they can be fucking
Perfect	V-ing perfect
I can have fucked you can have fucked he can have fucked we can have fucked you can have fucked they can have fucked	I can have been fucking you can have been fucking he can have been fucking we can have been fucking you can have been fucking they can have been fucking

Negation

Simple form	V-ing form
I can't fuck you can't fuck he can't fuck we can't fuck you can't fuck they can't fuck	I can't be fucking you can't be fucking he can't be fucking we can't be fucking you can't be fucking they can't be fucking
Perfect	V-ing perfect
I can't have fucked you can't have fucked he can't have fucked we can't have fucked you can't have fucked they can't have fucked	I can't have been fucking you can't have been fucking he can't have been fucking we can't have been fucking you can't have been fucking they can't have been fucking

Interrogative form

Simple form	V-ing form
can I fuck? can you fuck? can he fuck? can we fuck? can you fuck? can they fuck?	can I be fucking? can you be fucking? can he be fucking? can we be fucking? can you be fucking? can they be fucking?
Perfect	V-ing perfect
can I have fucked? can you have fucked? can he have fucked? can we have fucked? can you have fucked? can they have fucked?	can I have been fucking? can you have been fucking? can he have been fucking? can we have been fucking? can you have been fucking? can they have been fucking?

Interro-negative form

Simple form	V-ing form
can't I fuck? can't you fuck? can't he fuck? can't we fuck? can't you fuck? can't they fuck?	can't I be fucking? can't you be fucking? can't he be fucking? can't we be fucking? can't you be fucking? can't they be fucking?
Perfect	V-ing perfect
can't I have fucked? can't you have fucked? can't he have fucked? can't we have fucked? can't you have fucked? can't they have fucked?	can't I have been fucking? can't you have been fucking? can't he have been fucking? can't we have been fucking? can't you have been fucking? can't they have been fucking?