must fluoresce
Regular verb: fluoresce - fluoresced- fluoresced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fluoresce
you must fluoresce
he must fluoresce
we must fluoresce
you must fluoresce
they must fluoresce 	I must be fluorescing
you must be fluorescing
he must be fluorescing
we must be fluorescing
you must be fluorescing
they must be fluorescing	I must have fluoresced
you must have fluoresced
he must have fluoresced
we must have fluoresced
you must have fluoresced
they must have fluoresced	I must have been fluorescing
you must have been fluorescing
he must have been fluorescing
we must have been fluorescing
you must have been fluorescing
they must have been fluorescing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not fluoresce
you must not fluoresce
he must not fluoresce
we must not fluoresce
you must not fluoresce
they must not fluoresce 	I must not be fluorescing
you must not be fluorescing
he must not be fluorescing
we must not be fluorescing
you must not be fluorescing
they must not be fluorescing	I must not have fluoresced
you must not have fluoresced
he must not have fluoresced
we must not have fluoresced
you must not have fluoresced
they must not have fluoresced	I must not have been fluorescing
you must not have been fluorescing
he must not have been fluorescing
we must not have been fluorescing
you must not have been fluorescing
they must not have been fluorescing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fluoresce?
must you fluoresce?
must he fluoresce?
must we fluoresce?
must you fluoresce?
must they fluoresce? 	must I be fluorescing?
must you be fluorescing?
must he be fluorescing?
must we be fluorescing?
must you be fluorescing?
must they be fluorescing? 	must I have fluoresced?
must you have fluoresced?
must he have fluoresced?
must we have fluoresced?
must you have fluoresced?
must they have fluoresced? 	must I have been fluorescing?
must you have been fluorescing?
must he have been fluorescing?
must we have been fluorescing?
must you have been fluorescing?
must they have been fluorescing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not fluoresce?
must you not fluoresce?
must he not fluoresce?
must we not fluoresce?
must you not fluoresce?
must they not fluoresce? 	must I not be fluorescing?
must you not be fluorescing?
must he not be fluorescing?
must we not be fluorescing?
must you not be fluorescing?
must they not be fluorescing? 	must I not have fluoresced?
must you not have fluoresced?
must he not have fluoresced?
must we not have fluoresced?
must you not have fluoresced?
must they not have fluoresced? 	must I not have been fluorescing?
must you not have been fluorescing?
must he not have been fluorescing?
must we not have been fluorescing?
must you not have been fluorescing?
must they not have been fluorescing?