English verb conjugation COULD MORTISE

Regular verb: mortise - mortised - mortised

Affirmation

Simple form

I could mortise
you could mortise
he could mortise
we could mortise
you could mortise
they could mortise

V-ing form

I could be mortising
you could be mortising
he could be mortising
we could be mortising
you could be mortising
they could be mortising

Perfect

I could have mortised
you could have mortised
he could have mortised
we could have mortised
you could have mortised
they could have mortised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I mortise?
could you mortise?
could he mortise?
could we mortise?
could you mortise?
could they mortise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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