English verb conjugation COULD ENGRAVE

Regular verb: engrave - engraved - engraved

Affirmation

Simple form

I could engrave
you could engrave
he could engrave
we could engrave
you could engrave
they could engrave

V-ing form

I could be engraving
you could be engraving
he could be engraving
we could be engraving
you could be engraving
they could be engraving

Perfect

I could have engraved
you could have engraved
he could have engraved
we could have engraved
you could have engraved
they could have engraved

V-ing perfect

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

Negation

Simple form

I could not engrave
you could not engrave
he could not engrave
we could not engrave
you could not engrave
they could not engrave

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I engrave?
could you engrave?
could he engrave?
could we engrave?
could you engrave?
could they engrave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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