must schematise
Regular verb: schematise - schematised- schematised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must schematise
you must schematise
he must schematise
we must schematise
you must schematise
they must schematise 	I must be schematising
you must be schematising
he must be schematising
we must be schematising
you must be schematising
they must be schematising	I must have schematised
you must have schematised
he must have schematised
we must have schematised
you must have schematised
they must have schematised	I must have been schematising
you must have been schematising
he must have been schematising
we must have been schematising
you must have been schematising
they must have been schematising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not schematise
you must not schematise
he must not schematise
we must not schematise
you must not schematise
they must not schematise 	I must not be schematising
you must not be schematising
he must not be schematising
we must not be schematising
you must not be schematising
they must not be schematising	I must not have schematised
you must not have schematised
he must not have schematised
we must not have schematised
you must not have schematised
they must not have schematised	I must not have been schematising
you must not have been schematising
he must not have been schematising
we must not have been schematising
you must not have been schematising
they must not have been schematising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I schematise?
must you schematise?
must he schematise?
must we schematise?
must you schematise?
must they schematise? 	must I be schematising?
must you be schematising?
must he be schematising?
must we be schematising?
must you be schematising?
must they be schematising? 	must I have schematised?
must you have schematised?
must he have schematised?
must we have schematised?
must you have schematised?
must they have schematised? 	must I have been schematising?
must you have been schematising?
must he have been schematising?
must we have been schematising?
must you have been schematising?
must they have been schematising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not schematise?
must you not schematise?
must he not schematise?
must we not schematise?
must you not schematise?
must they not schematise? 	must I not be schematising?
must you not be schematising?
must he not be schematising?
must we not be schematising?
must you not be schematising?
must they not be schematising? 	must I not have schematised?
must you not have schematised?
must he not have schematised?
must we not have schematised?
must you not have schematised?
must they not have schematised? 	must I not have been schematising?
must you not have been schematising?
must he not have been schematising?
must we not have been schematising?
must you not have been schematising?
must they not have been schematising?