English verb conjugation COULD SMUDGE

Regular verb: smudge - smudged - smudged

Affirmation

Simple form

I could smudge
you could smudge
he could smudge
we could smudge
you could smudge
they could smudge

V-ing form

I could be smudging
you could be smudging
he could be smudging
we could be smudging
you could be smudging
they could be smudging

Perfect

I could have smudged
you could have smudged
he could have smudged
we could have smudged
you could have smudged
they could have smudged

V-ing perfect

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

Negation

Simple form

I could not smudge
you could not smudge
he could not smudge
we could not smudge
you could not smudge
they could not smudge

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I smudge?
could you smudge?
could he smudge?
could we smudge?
could you smudge?
could they smudge?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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