English verb conjugation COULD ENGRAVE

Regular verb: engrave - engraved - engraved

Affirmation

Simple form

I could engrave
you could engrave
she could engrave
we could engrave
you could engrave
they could engrave

V-ing form

I could be engraving
you could be engraving
she could be engraving
we could be engraving
you could be engraving
they could be engraving

Perfect

I could have engraved
you could have engraved
she 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
she could have been engraving
we could have been engraving
you could have been engraving
they could have been engraving

Negation

Simple form

I couldn't engrave
you couldn't engrave
she couldn't engrave
we couldn't engrave
you couldn't engrave
they couldn't engrave

V-ing form

I couldn't be engraving
you couldn't be engraving
she couldn't be engraving
we couldn't be engraving
you couldn't be engraving
they couldn't be engraving

Perfect

I couldn't have engraved
you couldn't have engraved
she couldn't have engraved
we couldn't have engraved
you couldn't have engraved
they couldn't have engraved

V-ing perfect

I couldn't have been engraving
you couldn't have been engraving
she couldn't have been engraving
we couldn't have been engraving
you couldn't have been engraving
they couldn't have been engraving

Interrogative form

Simple form

could I engrave?
could you engrave?
could she engrave?
could we engrave?
could you engrave?
could they engrave?

V-ing form

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

Perfect

could I have engraved?
could you have engraved?
could she 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 she have been engraving?
could we have been engraving?
could you have been engraving?
could they have been engraving?

Interro-negative form

Simple form

couldn't I engrave?
couldn't you engrave?
couldn't she engrave?
couldn't we engrave?
couldn't you engrave?
couldn't they engrave?

V-ing form

couldn't I be engraving?
couldn't you be engraving?
couldn't she be engraving?
couldn't we be engraving?
couldn't you be engraving?
couldn't they be engraving?

Perfect

couldn't I have engraved?
couldn't you have engraved?
couldn't she have engraved?
couldn't we have engraved?
couldn't you have engraved?
couldn't they have engraved?

V-ing perfect

couldn't I have been engraving?
couldn't you have been engraving?
couldn't she have been engraving?
couldn't we have been engraving?
couldn't you have been engraving?
couldn't they have been engraving?

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