must halve
Verbe régulier : halve - halved- halved
Traduction française : couper ou diviser ou partager en deux - réduire ou diminuer de moitié 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must halve
you must halve
she must halve
we must halve
you must halve
they must halve 	I must be halving
you must be halving
she must be halving
we must be halving
you must be halving
they must be halving	I must have halved
you must have halved
she must have halved
we must have halved
you must have halved
they must have halved	I must have been halving
you must have been halving
she must have been halving
we must have been halving
you must have been halving
they must have been halving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not halve
you must not halve
she must not halve
we must not halve
you must not halve
they must not halve 	I must not be halving
you must not be halving
she must not be halving
we must not be halving
you must not be halving
they must not be halving	I must not have halved
you must not have halved
she must not have halved
we must not have halved
you must not have halved
they must not have halved	I must not have been halving
you must not have been halving
she must not have been halving
we must not have been halving
you must not have been halving
they must not have been halving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I halve?
must you halve?
must she halve?
must we halve?
must you halve?
must they halve? 	must I be halving?
must you be halving?
must she be halving?
must we be halving?
must you be halving?
must they be halving? 	must I have halved?
must you have halved?
must she have halved?
must we have halved?
must you have halved?
must they have halved? 	must I have been halving?
must you have been halving?
must she have been halving?
must we have been halving?
must you have been halving?
must they have been halving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not halve?
must you not halve?
must she not halve?
must we not halve?
must you not halve?
must they not halve? 	must I not be halving?
must you not be halving?
must she not be halving?
must we not be halving?
must you not be halving?
must they not be halving? 	must I not have halved?
must you not have halved?
must she not have halved?
must we not have halved?
must you not have halved?
must they not have halved? 	must I not have been halving?
must you not have been halving?
must she not have been halving?
must we not have been halving?
must you not have been halving?
must they not have been halving?