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 cannot cuff you cannot cuff he cannot cuff we cannot cuff you cannot cuff they cannot cuff	I cannot be cuffing you cannot be cuffing he cannot be cuffing we cannot be cuffing you cannot be cuffing they cannot be cuffing
Perfect	V-ing perfect
I cannot have cuffed you cannot have cuffed he cannot have cuffed we cannot have cuffed you cannot have cuffed they cannot have cuffed	I cannot have been cuffing you cannot have been cuffing he cannot have been cuffing we cannot have been cuffing you cannot have been cuffing they cannot 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 I not cuff? can you not cuff? can he not cuff? can we not cuff? can you not cuff? can they not cuff?	can I not be cuffing? can you not be cuffing? can he not be cuffing? can we not be cuffing? can you not be cuffing? can they not be cuffing?
Perfect	V-ing perfect
can I not have cuffed? can you not have cuffed? can he not have cuffed? can we not have cuffed? can you not have cuffed? can they not have cuffed?	can I not have been cuffing? can you not have been cuffing? can he not have been cuffing? can we not have been cuffing? can you not have been cuffing? can they not have been cuffing?