English verb conjugation
COULD HALVE

Regular verb: halve - halved - halved

Affirmation

Simple form	V-ing form
I could halve you could halve she could halve we could halve you could halve they could halve	I could be halving you could be halving she could be halving we could be halving you could be halving they could be halving
Perfect	V-ing perfect
I could have halved you could have halved she could have halved we could have halved you could have halved they could have halved	I could have been halving you could have been halving she could have been halving we could have been halving you could have been halving they could have been halving

Negation

Simple form	V-ing form
I could not halve you could not halve she could not halve we could not halve you could not halve they could not halve	I could not be halving you could not be halving she could not be halving we could not be halving you could not be halving they could not be halving
Perfect	V-ing perfect
I could not have halved you could not have halved she could not have halved we could not have halved you could not have halved they could not have halved	I could not have been halving you could not have been halving she could not have been halving we could not have been halving you could not have been halving they could not have been halving

Interrogative form

Simple form	V-ing form
could I halve? could you halve? could she halve? could we halve? could you halve? could they halve?	could I be halving? could you be halving? could she be halving? could we be halving? could you be halving? could they be halving?
Perfect	V-ing perfect
could I have halved? could you have halved? could she have halved? could we have halved? could you have halved? could they have halved?	could I have been halving? could you have been halving? could she have been halving? could we have been halving? could you have been halving? could they have been halving?

Interro-negative form

Simple form	V-ing form
could I not halve? could you not halve? could she not halve? could we not halve? could you not halve? could they not halve?	could I not be halving? could you not be halving? could she not be halving? could we not be halving? could you not be halving? could they not be halving?
Perfect	V-ing perfect
could I not have halved? could you not have halved? could she not have halved? could we not have halved? could you not have halved? could they not have halved?	could I not have been halving? could you not have been halving? could she not have been halving? could we not have been halving? could you not have been halving? could they not have been halving?