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 couldn't calve
you couldn't calve
he couldn't calve
we couldn't calve
you couldn't calve
they couldn't calve

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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