must upsise
Regular verb: upsise - upsised- upsised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must upsise
you must upsise
she must upsise
we must upsise
you must upsise
they must upsise 	I must be upsising
you must be upsising
she must be upsising
we must be upsising
you must be upsising
they must be upsising	I must have upsised
you must have upsised
she must have upsised
we must have upsised
you must have upsised
they must have upsised	I must have been upsising
you must have been upsising
she must have been upsising
we must have been upsising
you must have been upsising
they must have been upsising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not upsise
you must not upsise
she must not upsise
we must not upsise
you must not upsise
they must not upsise 	I must not be upsising
you must not be upsising
she must not be upsising
we must not be upsising
you must not be upsising
they must not be upsising	I must not have upsised
you must not have upsised
she must not have upsised
we must not have upsised
you must not have upsised
they must not have upsised	I must not have been upsising
you must not have been upsising
she must not have been upsising
we must not have been upsising
you must not have been upsising
they must not have been upsising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I upsise?
must you upsise?
must she upsise?
must we upsise?
must you upsise?
must they upsise? 	must I be upsising?
must you be upsising?
must she be upsising?
must we be upsising?
must you be upsising?
must they be upsising? 	must I have upsised?
must you have upsised?
must she have upsised?
must we have upsised?
must you have upsised?
must they have upsised? 	must I have been upsising?
must you have been upsising?
must she have been upsising?
must we have been upsising?
must you have been upsising?
must they have been upsising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not upsise?
must you not upsise?
must she not upsise?
must we not upsise?
must you not upsise?
must they not upsise? 	must I not be upsising?
must you not be upsising?
must she not be upsising?
must we not be upsising?
must you not be upsising?
must they not be upsising? 	must I not have upsised?
must you not have upsised?
must she not have upsised?
must we not have upsised?
must you not have upsised?
must they not have upsised? 	must I not have been upsising?
must you not have been upsising?
must she not have been upsising?
must we not have been upsising?
must you not have been upsising?
must they not have been upsising?