must superpose
Regular verb: superpose - superposed- superposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must superpose
you must superpose
she must superpose
we must superpose
you must superpose
they must superpose 	I must be superposing
you must be superposing
she must be superposing
we must be superposing
you must be superposing
they must be superposing	I must have superposed
you must have superposed
she must have superposed
we must have superposed
you must have superposed
they must have superposed	I must have been superposing
you must have been superposing
she must have been superposing
we must have been superposing
you must have been superposing
they must have been superposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not superpose
you must not superpose
she must not superpose
we must not superpose
you must not superpose
they must not superpose 	I must not be superposing
you must not be superposing
she must not be superposing
we must not be superposing
you must not be superposing
they must not be superposing	I must not have superposed
you must not have superposed
she must not have superposed
we must not have superposed
you must not have superposed
they must not have superposed	I must not have been superposing
you must not have been superposing
she must not have been superposing
we must not have been superposing
you must not have been superposing
they must not have been superposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I superpose?
must you superpose?
must she superpose?
must we superpose?
must you superpose?
must they superpose? 	must I be superposing?
must you be superposing?
must she be superposing?
must we be superposing?
must you be superposing?
must they be superposing? 	must I have superposed?
must you have superposed?
must she have superposed?
must we have superposed?
must you have superposed?
must they have superposed? 	must I have been superposing?
must you have been superposing?
must she have been superposing?
must we have been superposing?
must you have been superposing?
must they have been superposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not superpose?
must you not superpose?
must she not superpose?
must we not superpose?
must you not superpose?
must they not superpose? 	must I not be superposing?
must you not be superposing?
must she not be superposing?
must we not be superposing?
must you not be superposing?
must they not be superposing? 	must I not have superposed?
must you not have superposed?
must she not have superposed?
must we not have superposed?
must you not have superposed?
must they not have superposed? 	must I not have been superposing?
must you not have been superposing?
must she not have been superposing?
must we not have been superposing?
must you not have been superposing?
must they not have been superposing?