English verb conjugation COULD CALVE

Regular verb: calve - calved - calved

Affirmation

Simple form

I could calve
you could calve
he could calve
we could calve
you could calve
they could calve

V-ing form

I could be calving
you could be calving
he could be calving
we could be calving
you could be calving
they could be calving

Perfect

I could have calved
you could have calved
he could have calved
we could have calved
you could have calved
they could have calved

V-ing perfect

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

Negation

Simple form

I could not calve
you could not calve
he could not calve
we could not calve
you could not calve
they could not calve

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I calve?
could you calve?
could he calve?
could we calve?
could you calve?
could they calve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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