must maltreat
Regular verb: maltreat - maltreated- maltreated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must maltreat
you must maltreat
he must maltreat
we must maltreat
you must maltreat
they must maltreat 	I must be maltreating
you must be maltreating
he must be maltreating
we must be maltreating
you must be maltreating
they must be maltreating	I must have maltreated
you must have maltreated
he must have maltreated
we must have maltreated
you must have maltreated
they must have maltreated	I must have been maltreating
you must have been maltreating
he must have been maltreating
we must have been maltreating
you must have been maltreating
they must have been maltreating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't maltreat
you mustn't maltreat
he mustn't maltreat
we mustn't maltreat
you mustn't maltreat
they mustn't maltreat 	I mustn't be maltreating
you mustn't be maltreating
he mustn't be maltreating
we mustn't be maltreating
you mustn't be maltreating
they mustn't be maltreating	I mustn't have maltreated
you mustn't have maltreated
he mustn't have maltreated
we mustn't have maltreated
you mustn't have maltreated
they mustn't have maltreated	I mustn't have been maltreating
you mustn't have been maltreating
he mustn't have been maltreating
we mustn't have been maltreating
you mustn't have been maltreating
they mustn't have been maltreating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I maltreat?
must you maltreat?
must he maltreat?
must we maltreat?
must you maltreat?
must they maltreat? 	must I be maltreating?
must you be maltreating?
must he be maltreating?
must we be maltreating?
must you be maltreating?
must they be maltreating? 	must I have maltreated?
must you have maltreated?
must he have maltreated?
must we have maltreated?
must you have maltreated?
must they have maltreated? 	must I have been maltreating?
must you have been maltreating?
must he have been maltreating?
must we have been maltreating?
must you have been maltreating?
must they have been maltreating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I maltreat?
mustn't you maltreat?
mustn't he maltreat?
mustn't we maltreat?
mustn't you maltreat?
mustn't they maltreat? 	mustn't I be maltreating?
mustn't you be maltreating?
mustn't he be maltreating?
mustn't we be maltreating?
mustn't you be maltreating?
mustn't they be maltreating? 	mustn't I have maltreated?
mustn't you have maltreated?
mustn't he have maltreated?
mustn't we have maltreated?
mustn't you have maltreated?
mustn't they have maltreated? 	mustn't I have been maltreating?
mustn't you have been maltreating?
mustn't he have been maltreating?
mustn't we have been maltreating?
mustn't you have been maltreating?
mustn't they have been maltreating?