English verb conjugation
CAN OYSTER

Regular verb: oyster - oystered - oystered

Affirmation

Simple form	V-ing form
I can oyster you can oyster he can oyster we can oyster you can oyster they can oyster	I can be oystering you can be oystering he can be oystering we can be oystering you can be oystering they can be oystering
Perfect	V-ing perfect
I can have oystered you can have oystered he can have oystered we can have oystered you can have oystered they can have oystered	I can have been oystering you can have been oystering he can have been oystering we can have been oystering you can have been oystering they can have been oystering

Negation

Simple form	V-ing form
I can't oyster you can't oyster he can't oyster we can't oyster you can't oyster they can't oyster	I can't be oystering you can't be oystering he can't be oystering we can't be oystering you can't be oystering they can't be oystering
Perfect	V-ing perfect
I can't have oystered you can't have oystered he can't have oystered we can't have oystered you can't have oystered they can't have oystered	I can't have been oystering you can't have been oystering he can't have been oystering we can't have been oystering you can't have been oystering they can't have been oystering

Interrogative form

Simple form	V-ing form
can I oyster? can you oyster? can he oyster? can we oyster? can you oyster? can they oyster?	can I be oystering? can you be oystering? can he be oystering? can we be oystering? can you be oystering? can they be oystering?
Perfect	V-ing perfect
can I have oystered? can you have oystered? can he have oystered? can we have oystered? can you have oystered? can they have oystered?	can I have been oystering? can you have been oystering? can he have been oystering? can we have been oystering? can you have been oystering? can they have been oystering?

Interro-negative form

Simple form	V-ing form
can't I oyster? can't you oyster? can't he oyster? can't we oyster? can't you oyster? can't they oyster?	can't I be oystering? can't you be oystering? can't he be oystering? can't we be oystering? can't you be oystering? can't they be oystering?
Perfect	V-ing perfect
can't I have oystered? can't you have oystered? can't he have oystered? can't we have oystered? can't you have oystered? can't they have oystered?	can't I have been oystering? can't you have been oystering? can't he have been oystering? can't we have been oystering? can't you have been oystering? can't they have been oystering?