must schematize
Regular verb: schematize - schematized- schematized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must schematize
you must schematize
he must schematize
we must schematize
you must schematize
they must schematize 	I must be schematizing
you must be schematizing
he must be schematizing
we must be schematizing
you must be schematizing
they must be schematizing	I must have schematized
you must have schematized
he must have schematized
we must have schematized
you must have schematized
they must have schematized	I must have been schematizing
you must have been schematizing
he must have been schematizing
we must have been schematizing
you must have been schematizing
they must have been schematizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not schematize
you must not schematize
he must not schematize
we must not schematize
you must not schematize
they must not schematize 	I must not be schematizing
you must not be schematizing
he must not be schematizing
we must not be schematizing
you must not be schematizing
they must not be schematizing	I must not have schematized
you must not have schematized
he must not have schematized
we must not have schematized
you must not have schematized
they must not have schematized	I must not have been schematizing
you must not have been schematizing
he must not have been schematizing
we must not have been schematizing
you must not have been schematizing
they must not have been schematizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I schematize?
must you schematize?
must he schematize?
must we schematize?
must you schematize?
must they schematize? 	must I be schematizing?
must you be schematizing?
must he be schematizing?
must we be schematizing?
must you be schematizing?
must they be schematizing? 	must I have schematized?
must you have schematized?
must he have schematized?
must we have schematized?
must you have schematized?
must they have schematized? 	must I have been schematizing?
must you have been schematizing?
must he have been schematizing?
must we have been schematizing?
must you have been schematizing?
must they have been schematizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not schematize?
must you not schematize?
must he not schematize?
must we not schematize?
must you not schematize?
must they not schematize? 	must I not be schematizing?
must you not be schematizing?
must he not be schematizing?
must we not be schematizing?
must you not be schematizing?
must they not be schematizing? 	must I not have schematized?
must you not have schematized?
must he not have schematized?
must we not have schematized?
must you not have schematized?
must they not have schematized? 	must I not have been schematizing?
must you not have been schematizing?
must he not have been schematizing?
must we not have been schematizing?
must you not have been schematizing?
must they not have been schematizing?