must experience
Regular verb: experience - experienced- experienced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must experience
you must experience
she must experience
we must experience
you must experience
they must experience 	I must be experiencing
you must be experiencing
she must be experiencing
we must be experiencing
you must be experiencing
they must be experiencing	I must have experienced
you must have experienced
she must have experienced
we must have experienced
you must have experienced
they must have experienced	I must have been experiencing
you must have been experiencing
she must have been experiencing
we must have been experiencing
you must have been experiencing
they must have been experiencing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't experience
you mustn't experience
she mustn't experience
we mustn't experience
you mustn't experience
they mustn't experience 	I mustn't be experiencing
you mustn't be experiencing
she mustn't be experiencing
we mustn't be experiencing
you mustn't be experiencing
they mustn't be experiencing	I mustn't have experienced
you mustn't have experienced
she mustn't have experienced
we mustn't have experienced
you mustn't have experienced
they mustn't have experienced	I mustn't have been experiencing
you mustn't have been experiencing
she mustn't have been experiencing
we mustn't have been experiencing
you mustn't have been experiencing
they mustn't have been experiencing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I experience?
must you experience?
must she experience?
must we experience?
must you experience?
must they experience? 	must I be experiencing?
must you be experiencing?
must she be experiencing?
must we be experiencing?
must you be experiencing?
must they be experiencing? 	must I have experienced?
must you have experienced?
must she have experienced?
must we have experienced?
must you have experienced?
must they have experienced? 	must I have been experiencing?
must you have been experiencing?
must she have been experiencing?
must we have been experiencing?
must you have been experiencing?
must they have been experiencing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I experience?
mustn't you experience?
mustn't she experience?
mustn't we experience?
mustn't you experience?
mustn't they experience? 	mustn't I be experiencing?
mustn't you be experiencing?
mustn't she be experiencing?
mustn't we be experiencing?
mustn't you be experiencing?
mustn't they be experiencing? 	mustn't I have experienced?
mustn't you have experienced?
mustn't she have experienced?
mustn't we have experienced?
mustn't you have experienced?
mustn't they have experienced? 	mustn't I have been experiencing?
mustn't you have been experiencing?
mustn't she have been experiencing?
mustn't we have been experiencing?
mustn't you have been experiencing?
mustn't they have been experiencing?