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 couldn't smudge
you couldn't smudge
he couldn't smudge
we couldn't smudge
you couldn't smudge
they couldn't smudge

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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