English verb conjugation
CAN SNACK

Regular verb: snack - snacked - snacked

Affirmation

Simple form	V-ing form
I can snack you can snack he can snack we can snack you can snack they can snack	I can be snacking you can be snacking he can be snacking we can be snacking you can be snacking they can be snacking
Perfect	V-ing perfect
I can have snacked you can have snacked he can have snacked we can have snacked you can have snacked they can have snacked	I can have been snacking you can have been snacking he can have been snacking we can have been snacking you can have been snacking they can have been snacking

Negation

Simple form	V-ing form
I can't snack you can't snack he can't snack we can't snack you can't snack they can't snack	I can't be snacking you can't be snacking he can't be snacking we can't be snacking you can't be snacking they can't be snacking
Perfect	V-ing perfect
I can't have snacked you can't have snacked he can't have snacked we can't have snacked you can't have snacked they can't have snacked	I can't have been snacking you can't have been snacking he can't have been snacking we can't have been snacking you can't have been snacking they can't have been snacking

Interrogative form

Simple form	V-ing form
can I snack? can you snack? can he snack? can we snack? can you snack? can they snack?	can I be snacking? can you be snacking? can he be snacking? can we be snacking? can you be snacking? can they be snacking?
Perfect	V-ing perfect
can I have snacked? can you have snacked? can he have snacked? can we have snacked? can you have snacked? can they have snacked?	can I have been snacking? can you have been snacking? can he have been snacking? can we have been snacking? can you have been snacking? can they have been snacking?

Interro-negative form

Simple form	V-ing form
can't I snack? can't you snack? can't he snack? can't we snack? can't you snack? can't they snack?	can't I be snacking? can't you be snacking? can't he be snacking? can't we be snacking? can't you be snacking? can't they be snacking?
Perfect	V-ing perfect
can't I have snacked? can't you have snacked? can't he have snacked? can't we have snacked? can't you have snacked? can't they have snacked?	can't I have been snacking? can't you have been snacking? can't he have been snacking? can't we have been snacking? can't you have been snacking? can't they have been snacking?