Conjugación del verbo inglés
COULD CALVE

Verbo regular: calve - calved - calved

Afirmación

Forma simple	Forma con V-ing
I could calve you could calve she could calve we could calve you could calve they could calve	I could be calving you could be calving she could be calving we could be calving you could be calving they could be calving
Perfecto	Perfecto con V-ing
I could have calved you could have calved she could have calved we could have calved you could have calved they could have calved	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

Negación

Forma simple	Forma con V-ing
I couldn't calve you couldn't calve she couldn't calve we couldn't calve you couldn't calve they couldn't calve	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
Perfecto	Perfecto con V-ing
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	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

Forma interrogativa

Forma simple	Forma con V-ing
could I calve? could you calve? could she calve? could we calve? could you calve? could they calve?	could I be calving? could you be calving? could she be calving? could we be calving? could you be calving? could they be calving?
Perfecto	Perfecto con V-ing
could I have calved? could you have calved? could she have calved? could we have calved? could you have calved? could they have calved?	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?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I calve? couldn't you calve? couldn't she calve? couldn't we calve? couldn't you calve? couldn't they calve?	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?
Perfecto	Perfecto con V-ing
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?	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?