must motive
Regular verb: motive - motived- motived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must motive
you must motive
he must motive
we must motive
you must motive
they must motive 	I must be motiving
you must be motiving
he must be motiving
we must be motiving
you must be motiving
they must be motiving	I must have motived
you must have motived
he must have motived
we must have motived
you must have motived
they must have motived	I must have been motiving
you must have been motiving
he must have been motiving
we must have been motiving
you must have been motiving
they must have been motiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't motive
you mustn't motive
he mustn't motive
we mustn't motive
you mustn't motive
they mustn't motive 	I mustn't be motiving
you mustn't be motiving
he mustn't be motiving
we mustn't be motiving
you mustn't be motiving
they mustn't be motiving	I mustn't have motived
you mustn't have motived
he mustn't have motived
we mustn't have motived
you mustn't have motived
they mustn't have motived	I mustn't have been motiving
you mustn't have been motiving
he mustn't have been motiving
we mustn't have been motiving
you mustn't have been motiving
they mustn't have been motiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I motive?
must you motive?
must he motive?
must we motive?
must you motive?
must they motive? 	must I be motiving?
must you be motiving?
must he be motiving?
must we be motiving?
must you be motiving?
must they be motiving? 	must I have motived?
must you have motived?
must he have motived?
must we have motived?
must you have motived?
must they have motived? 	must I have been motiving?
must you have been motiving?
must he have been motiving?
must we have been motiving?
must you have been motiving?
must they have been motiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I motive?
mustn't you motive?
mustn't he motive?
mustn't we motive?
mustn't you motive?
mustn't they motive? 	mustn't I be motiving?
mustn't you be motiving?
mustn't he be motiving?
mustn't we be motiving?
mustn't you be motiving?
mustn't they be motiving? 	mustn't I have motived?
mustn't you have motived?
mustn't he have motived?
mustn't we have motived?
mustn't you have motived?
mustn't they have motived? 	mustn't I have been motiving?
mustn't you have been motiving?
mustn't he have been motiving?
mustn't we have been motiving?
mustn't you have been motiving?
mustn't they have been motiving?