English verb conjugation
CAN SNUFF

Regular verb: snuff - snuffed - snuffed

Affirmation

Simple form	V-ing form
I can snuff you can snuff he can snuff we can snuff you can snuff they can snuff	I can be snuffing you can be snuffing he can be snuffing we can be snuffing you can be snuffing they can be snuffing
Perfect	V-ing perfect
I can have snuffed you can have snuffed he can have snuffed we can have snuffed you can have snuffed they can have snuffed	I can have been snuffing you can have been snuffing he can have been snuffing we can have been snuffing you can have been snuffing they can have been snuffing

Negation

Simple form	V-ing form
I can't snuff you can't snuff he can't snuff we can't snuff you can't snuff they can't snuff	I can't be snuffing you can't be snuffing he can't be snuffing we can't be snuffing you can't be snuffing they can't be snuffing
Perfect	V-ing perfect
I can't have snuffed you can't have snuffed he can't have snuffed we can't have snuffed you can't have snuffed they can't have snuffed	I can't have been snuffing you can't have been snuffing he can't have been snuffing we can't have been snuffing you can't have been snuffing they can't have been snuffing

Interrogative form

Simple form	V-ing form
can I snuff? can you snuff? can he snuff? can we snuff? can you snuff? can they snuff?	can I be snuffing? can you be snuffing? can he be snuffing? can we be snuffing? can you be snuffing? can they be snuffing?
Perfect	V-ing perfect
can I have snuffed? can you have snuffed? can he have snuffed? can we have snuffed? can you have snuffed? can they have snuffed?	can I have been snuffing? can you have been snuffing? can he have been snuffing? can we have been snuffing? can you have been snuffing? can they have been snuffing?

Interro-negative form

Simple form	V-ing form
can't I snuff? can't you snuff? can't he snuff? can't we snuff? can't you snuff? can't they snuff?	can't I be snuffing? can't you be snuffing? can't he be snuffing? can't we be snuffing? can't you be snuffing? can't they be snuffing?
Perfect	V-ing perfect
can't I have snuffed? can't you have snuffed? can't he have snuffed? can't we have snuffed? can't you have snuffed? can't they have snuffed?	can't I have been snuffing? can't you have been snuffing? can't he have been snuffing? can't we have been snuffing? can't you have been snuffing? can't they have been snuffing?