English verb conjugation COULD ETCH

Regular verb: etch - etched - etched

Affirmation

Simple form

I could etch
you could etch
he could etch
we could etch
you could etch
they could etch

V-ing form

I could be etching
you could be etching
he could be etching
we could be etching
you could be etching
they could be etching

Perfect

I could have etched
you could have etched
he could have etched
we could have etched
you could have etched
they could have etched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I etch?
could you etch?
could he etch?
could we etch?
could you etch?
could they etch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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