must breach
Regular verb: breach - breached- breached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must breach
you must breach
he must breach
we must breach
you must breach
they must breach 	I must be breaching
you must be breaching
he must be breaching
we must be breaching
you must be breaching
they must be breaching	I must have breached
you must have breached
he must have breached
we must have breached
you must have breached
they must have breached	I must have been breaching
you must have been breaching
he must have been breaching
we must have been breaching
you must have been breaching
they must have been breaching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not breach
you must not breach
he must not breach
we must not breach
you must not breach
they must not breach 	I must not be breaching
you must not be breaching
he must not be breaching
we must not be breaching
you must not be breaching
they must not be breaching	I must not have breached
you must not have breached
he must not have breached
we must not have breached
you must not have breached
they must not have breached	I must not have been breaching
you must not have been breaching
he must not have been breaching
we must not have been breaching
you must not have been breaching
they must not have been breaching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I breach?
must you breach?
must he breach?
must we breach?
must you breach?
must they breach? 	must I be breaching?
must you be breaching?
must he be breaching?
must we be breaching?
must you be breaching?
must they be breaching? 	must I have breached?
must you have breached?
must he have breached?
must we have breached?
must you have breached?
must they have breached? 	must I have been breaching?
must you have been breaching?
must he have been breaching?
must we have been breaching?
must you have been breaching?
must they have been breaching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not breach?
must you not breach?
must he not breach?
must we not breach?
must you not breach?
must they not breach? 	must I not be breaching?
must you not be breaching?
must he not be breaching?
must we not be breaching?
must you not be breaching?
must they not be breaching? 	must I not have breached?
must you not have breached?
must he not have breached?
must we not have breached?
must you not have breached?
must they not have breached? 	must I not have been breaching?
must you not have been breaching?
must he not have been breaching?
must we not have been breaching?
must you not have been breaching?
must they not have been breaching?