English verb conjugation COULD CALVE

Regular verb: calve - calved - calved

Affirmation

Simple form

I could calve
you could calve
she could calve
we could calve
you could calve
they could calve

V-ing form

I could be calving
you could be calving
she could be calving
we could be calving
you could be calving
they could be calving

Perfect

I could have calved
you could have calved
she 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
she 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
she 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
she 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
she 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
she 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 she calve?
could we calve?
could you calve?
could they calve?

V-ing form

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

Perfect

could I have calved?
could you have calved?
could she 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 she 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 she 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 she 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 she 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 she 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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