English verb conjugation
CAN SNORKEL

Regular verb: snorkel - snorkeled - snorkeled

Affirmation

Simple form	V-ing form
I can snorkel you can snorkel he can snorkel we can snorkel you can snorkel they can snorkel	I can be snorkeling you can be snorkeling he can be snorkeling we can be snorkeling you can be snorkeling they can be snorkeling
Perfect	V-ing perfect
I can have snorkeled you can have snorkeled he can have snorkeled we can have snorkeled you can have snorkeled they can have snorkeled	I can have been snorkeling you can have been snorkeling he can have been snorkeling we can have been snorkeling you can have been snorkeling they can have been snorkeling

Negation

Simple form	V-ing form
I can't snorkel you can't snorkel he can't snorkel we can't snorkel you can't snorkel they can't snorkel	I can't be snorkeling you can't be snorkeling he can't be snorkeling we can't be snorkeling you can't be snorkeling they can't be snorkeling
Perfect	V-ing perfect
I can't have snorkeled you can't have snorkeled he can't have snorkeled we can't have snorkeled you can't have snorkeled they can't have snorkeled	I can't have been snorkeling you can't have been snorkeling he can't have been snorkeling we can't have been snorkeling you can't have been snorkeling they can't have been snorkeling

Interrogative form

Simple form	V-ing form
can I snorkel? can you snorkel? can he snorkel? can we snorkel? can you snorkel? can they snorkel?	can I be snorkeling? can you be snorkeling? can he be snorkeling? can we be snorkeling? can you be snorkeling? can they be snorkeling?
Perfect	V-ing perfect
can I have snorkeled? can you have snorkeled? can he have snorkeled? can we have snorkeled? can you have snorkeled? can they have snorkeled?	can I have been snorkeling? can you have been snorkeling? can he have been snorkeling? can we have been snorkeling? can you have been snorkeling? can they have been snorkeling?

Interro-negative form

Simple form	V-ing form
can't I snorkel? can't you snorkel? can't he snorkel? can't we snorkel? can't you snorkel? can't they snorkel?	can't I be snorkeling? can't you be snorkeling? can't he be snorkeling? can't we be snorkeling? can't you be snorkeling? can't they be snorkeling?
Perfect	V-ing perfect
can't I have snorkeled? can't you have snorkeled? can't he have snorkeled? can't we have snorkeled? can't you have snorkeled? can't they have snorkeled?	can't I have been snorkeling? can't you have been snorkeling? can't he have been snorkeling? can't we have been snorkeling? can't you have been snorkeling? can't they have been snorkeling?