English verb conjugation COULD DEFOG

Regular verb: defog - defoged - defoged

Affirmation

Simple form

I could defog
you could defog
he could defog
we could defog
you could defog
they could defog

V-ing form

I could be defoging
you could be defoging
he could be defoging
we could be defoging
you could be defoging
they could be defoging

Perfect

I could have defoged
you could have defoged
he could have defoged
we could have defoged
you could have defoged
they could have defoged

V-ing perfect

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

Negation

Simple form

I couldn't defog
you couldn't defog
he couldn't defog
we couldn't defog
you couldn't defog
they couldn't defog

V-ing form

I couldn't be defoging
you couldn't be defoging
he couldn't be defoging
we couldn't be defoging
you couldn't be defoging
they couldn't be defoging

Perfect

I couldn't have defoged
you couldn't have defoged
he couldn't have defoged
we couldn't have defoged
you couldn't have defoged
they couldn't have defoged

V-ing perfect

I couldn't have been defoging
you couldn't have been defoging
he couldn't have been defoging
we couldn't have been defoging
you couldn't have been defoging
they couldn't have been defoging

Interrogative form

Simple form

could I defog?
could you defog?
could he defog?
could we defog?
could you defog?
could they defog?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I defog?
couldn't you defog?
couldn't he defog?
couldn't we defog?
couldn't you defog?
couldn't they defog?

V-ing form

couldn't I be defoging?
couldn't you be defoging?
couldn't he be defoging?
couldn't we be defoging?
couldn't you be defoging?
couldn't they be defoging?

Perfect

couldn't I have defoged?
couldn't you have defoged?
couldn't he have defoged?
couldn't we have defoged?
couldn't you have defoged?
couldn't they have defoged?

V-ing perfect

couldn't I have been defoging?
couldn't you have been defoging?
couldn't he have been defoging?
couldn't we have been defoging?
couldn't you have been defoging?
couldn't they have been defoging?

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