English verb conjugation
CAN FINGER

Regular verb: finger - fingered - fingered

Affirmation

Simple form	V-ing form
I can finger you can finger he can finger we can finger you can finger they can finger	I can be fingering you can be fingering he can be fingering we can be fingering you can be fingering they can be fingering
Perfect	V-ing perfect
I can have fingered you can have fingered he can have fingered we can have fingered you can have fingered they can have fingered	I can have been fingering you can have been fingering he can have been fingering we can have been fingering you can have been fingering they can have been fingering

Negation

Simple form	V-ing form
I can't finger you can't finger he can't finger we can't finger you can't finger they can't finger	I can't be fingering you can't be fingering he can't be fingering we can't be fingering you can't be fingering they can't be fingering
Perfect	V-ing perfect
I can't have fingered you can't have fingered he can't have fingered we can't have fingered you can't have fingered they can't have fingered	I can't have been fingering you can't have been fingering he can't have been fingering we can't have been fingering you can't have been fingering they can't have been fingering

Interrogative form

Simple form	V-ing form
can I finger? can you finger? can he finger? can we finger? can you finger? can they finger?	can I be fingering? can you be fingering? can he be fingering? can we be fingering? can you be fingering? can they be fingering?
Perfect	V-ing perfect
can I have fingered? can you have fingered? can he have fingered? can we have fingered? can you have fingered? can they have fingered?	can I have been fingering? can you have been fingering? can he have been fingering? can we have been fingering? can you have been fingering? can they have been fingering?

Interro-negative form

Simple form	V-ing form
can't I finger? can't you finger? can't he finger? can't we finger? can't you finger? can't they finger?	can't I be fingering? can't you be fingering? can't he be fingering? can't we be fingering? can't you be fingering? can't they be fingering?
Perfect	V-ing perfect
can't I have fingered? can't you have fingered? can't he have fingered? can't we have fingered? can't you have fingered? can't they have fingered?	can't I have been fingering? can't you have been fingering? can't he have been fingering? can't we have been fingering? can't you have been fingering? can't they have been fingering?