Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can fuck fuck you can fuck fuck he can fuck fuck we can fuck fuck you can fuck fuck they can fuck fuck
V-ing form
I can be fuck fucking you can be fuck fucking he can be fuck fucking we can be fuck fucking you can be fuck fucking they can be fuck fucking
Perfect
I can have fuck fucked you can have fuck fucked he can have fuck fucked we can have fuck fucked you can have fuck fucked they can have fuck fucked
V-ing perfect
I can have been fuck fucking you can have been fuck fucking he can have been fuck fucking we can have been fuck fucking you can have been fuck fucking they can have been fuck fucking
Negation
Simple form
I can't fuck fuck you can't fuck fuck he can't fuck fuck we can't fuck fuck you can't fuck fuck they can't fuck fuck
V-ing form
I can't be fuck fucking you can't be fuck fucking he can't be fuck fucking we can't be fuck fucking you can't be fuck fucking they can't be fuck fucking
Perfect
I can't have fuck fucked you can't have fuck fucked he can't have fuck fucked we can't have fuck fucked you can't have fuck fucked they can't have fuck fucked
V-ing perfect
I can't have been fuck fucking you can't have been fuck fucking he can't have been fuck fucking we can't have been fuck fucking you can't have been fuck fucking they can't have been fuck fucking
Interrogative form
Simple form
can I fuck fuck? can you fuck fuck? can he fuck fuck? can we fuck fuck? can you fuck fuck? can they fuck fuck?
V-ing form
can I be fuck fucking? can you be fuck fucking? can he be fuck fucking? can we be fuck fucking? can you be fuck fucking? can they be fuck fucking?
Perfect
can I have fuck fucked? can you have fuck fucked? can he have fuck fucked? can we have fuck fucked? can you have fuck fucked? can they have fuck fucked?
V-ing perfect
can I have been fuck fucking? can you have been fuck fucking? can he have been fuck fucking? can we have been fuck fucking? can you have been fuck fucking? can they have been fuck fucking?
Interro-negative form
Simple form
can't I fuck fuck? can't you fuck fuck? can't he fuck fuck? can't we fuck fuck? can't you fuck fuck? can't they fuck fuck?
V-ing form
can't I be fuck fucking? can't you be fuck fucking? can't he be fuck fucking? can't we be fuck fucking? can't you be fuck fucking? can't they be fuck fucking?
Perfect
can't I have fuck fucked? can't you have fuck fucked? can't he have fuck fucked? can't we have fuck fucked? can't you have fuck fucked? can't they have fuck fucked?
V-ing perfect
can't I have been fuck fucking? can't you have been fuck fucking? can't he have been fuck fucking? can't we have been fuck fucking? can't you have been fuck fucking? can't they have been fuck fucking?