should halve
Regular verb: halve - halved- halved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd halve
you'd halve
he'd halve
we'd halve
you'd halve
they'd halve 	I'd be halving
you'd be halving
he'd be halving
we'd be halving
you'd be halving
they'd be halving	I should've halved
you should've halved
he should've halved
we should've halved
you should've halved
they should've halved	I should've been halving
you should've been halving
he should've been halving
we should've been halving
you should've been halving
they should've been halving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't halve
you shouldn't halve
he shouldn't halve
we shouldn't halve
you shouldn't halve
they shouldn't halve 	I shouldn't be halving
you shouldn't be halving
he shouldn't be halving
we shouldn't be halving
you shouldn't be halving
they shouldn't be halving	I shouldn't have halved
you shouldn't have halved
he shouldn't have halved
we shouldn't have halved
you shouldn't have halved
they shouldn't have halved	I shouldn't have been halving
you shouldn't have been halving
he shouldn't have been halving
we shouldn't have been halving
you shouldn't have been halving
they shouldn't have been halving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I halve?
should you halve?
should he halve?
should we halve?
should you halve?
should they halve? 	should I be halving?
should you be halving?
should he be halving?
should we be halving?
should you be halving?
should they be halving? 	should I have halved?
should you have halved?
should he have halved?
should we have halved?
should you have halved?
should they have halved? 	should I have been halving?
should you have been halving?
should he have been halving?
should we have been halving?
should you have been halving?
should they have been halving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I halve?
shouldn't you halve?
shouldn't he halve?
shouldn't we halve?
shouldn't you halve?
shouldn't they halve? 	shouldn't I be halving?
shouldn't you be halving?
shouldn't he be halving?
shouldn't we be halving?
shouldn't you be halving?
shouldn't they be halving? 	shouldn't I have halved?
shouldn't you have halved?
shouldn't he have halved?
shouldn't we have halved?
shouldn't you have halved?
shouldn't they have halved? 	shouldn't I have been halving?
shouldn't you have been halving?
shouldn't he have been halving?
shouldn't we have been halving?
shouldn't you have been halving?
shouldn't they have been halving?