must outsparkle
Regular verb: outsparkle - outsparkled- outsparkled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must outsparkle
you must outsparkle
she must outsparkle
we must outsparkle
you must outsparkle
they must outsparkle 	I must be outsparkling
you must be outsparkling
she must be outsparkling
we must be outsparkling
you must be outsparkling
they must be outsparkling	I must have outsparkled
you must have outsparkled
she must have outsparkled
we must have outsparkled
you must have outsparkled
they must have outsparkled	I must have been outsparkling
you must have been outsparkling
she must have been outsparkling
we must have been outsparkling
you must have been outsparkling
they must have been outsparkling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not outsparkle
you must not outsparkle
she must not outsparkle
we must not outsparkle
you must not outsparkle
they must not outsparkle 	I must not be outsparkling
you must not be outsparkling
she must not be outsparkling
we must not be outsparkling
you must not be outsparkling
they must not be outsparkling	I must not have outsparkled
you must not have outsparkled
she must not have outsparkled
we must not have outsparkled
you must not have outsparkled
they must not have outsparkled	I must not have been outsparkling
you must not have been outsparkling
she must not have been outsparkling
we must not have been outsparkling
you must not have been outsparkling
they must not have been outsparkling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I outsparkle?
must you outsparkle?
must she outsparkle?
must we outsparkle?
must you outsparkle?
must they outsparkle? 	must I be outsparkling?
must you be outsparkling?
must she be outsparkling?
must we be outsparkling?
must you be outsparkling?
must they be outsparkling? 	must I have outsparkled?
must you have outsparkled?
must she have outsparkled?
must we have outsparkled?
must you have outsparkled?
must they have outsparkled? 	must I have been outsparkling?
must you have been outsparkling?
must she have been outsparkling?
must we have been outsparkling?
must you have been outsparkling?
must they have been outsparkling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not outsparkle?
must you not outsparkle?
must she not outsparkle?
must we not outsparkle?
must you not outsparkle?
must they not outsparkle? 	must I not be outsparkling?
must you not be outsparkling?
must she not be outsparkling?
must we not be outsparkling?
must you not be outsparkling?
must they not be outsparkling? 	must I not have outsparkled?
must you not have outsparkled?
must she not have outsparkled?
must we not have outsparkled?
must you not have outsparkled?
must they not have outsparkled? 	must I not have been outsparkling?
must you not have been outsparkling?
must she not have been outsparkling?
must we not have been outsparkling?
must you not have been outsparkling?
must they not have been outsparkling?