English verb conjugation
CAN SENTINEL

Regular verb: sentinel - sentineled - sentineled

Affirmation

Simple form	V-ing form
I can sentinel you can sentinel he can sentinel we can sentinel you can sentinel they can sentinel	I can be sentineling you can be sentineling he can be sentineling we can be sentineling you can be sentineling they can be sentineling
Perfect	V-ing perfect
I can have sentineled you can have sentineled he can have sentineled we can have sentineled you can have sentineled they can have sentineled	I can have been sentineling you can have been sentineling he can have been sentineling we can have been sentineling you can have been sentineling they can have been sentineling

Negation

Simple form	V-ing form
I cannot sentinel you cannot sentinel he cannot sentinel we cannot sentinel you cannot sentinel they cannot sentinel	I cannot be sentineling you cannot be sentineling he cannot be sentineling we cannot be sentineling you cannot be sentineling they cannot be sentineling
Perfect	V-ing perfect
I cannot have sentineled you cannot have sentineled he cannot have sentineled we cannot have sentineled you cannot have sentineled they cannot have sentineled	I cannot have been sentineling you cannot have been sentineling he cannot have been sentineling we cannot have been sentineling you cannot have been sentineling they cannot have been sentineling

Interrogative form

Simple form	V-ing form
can I sentinel? can you sentinel? can he sentinel? can we sentinel? can you sentinel? can they sentinel?	can I be sentineling? can you be sentineling? can he be sentineling? can we be sentineling? can you be sentineling? can they be sentineling?
Perfect	V-ing perfect
can I have sentineled? can you have sentineled? can he have sentineled? can we have sentineled? can you have sentineled? can they have sentineled?	can I have been sentineling? can you have been sentineling? can he have been sentineling? can we have been sentineling? can you have been sentineling? can they have been sentineling?

Interro-negative form

Simple form	V-ing form
can I not sentinel? can you not sentinel? can he not sentinel? can we not sentinel? can you not sentinel? can they not sentinel?	can I not be sentineling? can you not be sentineling? can he not be sentineling? can we not be sentineling? can you not be sentineling? can they not be sentineling?
Perfect	V-ing perfect
can I not have sentineled? can you not have sentineled? can he not have sentineled? can we not have sentineled? can you not have sentineled? can they not have sentineled?	can I not have been sentineling? can you not have been sentineling? can he not have been sentineling? can we not have been sentineling? can you not have been sentineling? can they not have been sentineling?