English verb conjugation COULD SENTINEL

Regular verb: sentinel - sentineled - sentineled

Affirmation

Simple form

I could sentinel
you could sentinel
he could sentinel
we could sentinel
you could sentinel
they could sentinel

V-ing form

I could be sentineling
you could be sentineling
he could be sentineling
we could be sentineling
you could be sentineling
they could be sentineling

Perfect

I could have sentineled
you could have sentineled
he could have sentineled
we could have sentineled
you could have sentineled
they could have sentineled

V-ing perfect

I could have been sentineling
you could have been sentineling
he could have been sentineling
we could have been sentineling
you could have been sentineling
they could have been sentineling

Negation

Simple form

I could not sentinel
you could not sentinel
he could not sentinel
we could not sentinel
you could not sentinel
they could not sentinel

V-ing form

I could not be sentineling
you could not be sentineling
he could not be sentineling
we could not be sentineling
you could not be sentineling
they could not be sentineling

Perfect

I could not have sentineled
you could not have sentineled
he could not have sentineled
we could not have sentineled
you could not have sentineled
they could not have sentineled

V-ing perfect

I could not have been sentineling
you could not have been sentineling
he could not have been sentineling
we could not have been sentineling
you could not have been sentineling
they could not have been sentineling

Interrogative form

Simple form

could I sentinel?
could you sentinel?
could he sentinel?
could we sentinel?
could you sentinel?
could they sentinel?

V-ing form

could I be sentineling?
could you be sentineling?
could he be sentineling?
could we be sentineling?
could you be sentineling?
could they be sentineling?

Perfect

could I have sentineled?
could you have sentineled?
could he have sentineled?
could we have sentineled?
could you have sentineled?
could they have sentineled?

V-ing perfect

could I have been sentineling?
could you have been sentineling?
could he have been sentineling?
could we have been sentineling?
could you have been sentineling?
could they have been sentineling?

Interro-negative form

Simple form

could I not sentinel?
could you not sentinel?
could he not sentinel?
could we not sentinel?
could you not sentinel?
could they not sentinel?

V-ing form

could I not be sentineling?
could you not be sentineling?
could he not be sentineling?
could we not be sentineling?
could you not be sentineling?
could they not be sentineling?

Perfect

could I not have sentineled?
could you not have sentineled?
could he not have sentineled?
could we not have sentineled?
could you not have sentineled?
could they not have sentineled?

V-ing perfect

could I not have been sentineling?
could you not have been sentineling?
could he not have been sentineling?
could we not have been sentineling?
could you not have been sentineling?
could they not have been sentineling?

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