English verb conjugation COULD DUST

Regular verb: dust - dusted - dusted

Affirmation

Simple form

I could dust
you could dust
he could dust
we could dust
you could dust
they could dust

V-ing form

I could be dusting
you could be dusting
he could be dusting
we could be dusting
you could be dusting
they could be dusting

Perfect

I could have dusted
you could have dusted
he could have dusted
we could have dusted
you could have dusted
they could have dusted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I dust?
could you dust?
could he dust?
could we dust?
could you dust?
could they dust?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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