English verb conjugation
CAN CUFF

Regular verb: cuff - cuffed - cuffed

Affirmation

Simple form	V-ing form
I can cuff you can cuff he can cuff we can cuff you can cuff they can cuff	I can be cuffing you can be cuffing he can be cuffing we can be cuffing you can be cuffing they can be cuffing
Perfect	V-ing perfect
I can have cuffed you can have cuffed he can have cuffed we can have cuffed you can have cuffed they can have cuffed	I can have been cuffing you can have been cuffing he can have been cuffing we can have been cuffing you can have been cuffing they can have been cuffing

Negation

Simple form	V-ing form
I can't cuff you can't cuff he can't cuff we can't cuff you can't cuff they can't cuff	I can't be cuffing you can't be cuffing he can't be cuffing we can't be cuffing you can't be cuffing they can't be cuffing
Perfect	V-ing perfect
I can't have cuffed you can't have cuffed he can't have cuffed we can't have cuffed you can't have cuffed they can't have cuffed	I can't have been cuffing you can't have been cuffing he can't have been cuffing we can't have been cuffing you can't have been cuffing they can't have been cuffing

Interrogative form

Simple form	V-ing form
can I cuff? can you cuff? can he cuff? can we cuff? can you cuff? can they cuff?	can I be cuffing? can you be cuffing? can he be cuffing? can we be cuffing? can you be cuffing? can they be cuffing?
Perfect	V-ing perfect
can I have cuffed? can you have cuffed? can he have cuffed? can we have cuffed? can you have cuffed? can they have cuffed?	can I have been cuffing? can you have been cuffing? can he have been cuffing? can we have been cuffing? can you have been cuffing? can they have been cuffing?

Interro-negative form

Simple form	V-ing form
can't I cuff? can't you cuff? can't he cuff? can't we cuff? can't you cuff? can't they cuff?	can't I be cuffing? can't you be cuffing? can't he be cuffing? can't we be cuffing? can't you be cuffing? can't they be cuffing?
Perfect	V-ing perfect
can't I have cuffed? can't you have cuffed? can't he have cuffed? can't we have cuffed? can't you have cuffed? can't they have cuffed?	can't I have been cuffing? can't you have been cuffing? can't he have been cuffing? can't we have been cuffing? can't you have been cuffing? can't they have been cuffing?