must triffle triffle
Regular verb: triffle triffle - triffle triffled- triffle triffled

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must triffle triffle
you must triffle triffle
she must triffle triffle
we must triffle triffle
you must triffle triffle
they must triffle triffle 	I must be triffle triffling
you must be triffle triffling
she must be triffle triffling
we must be triffle triffling
you must be triffle triffling
they must be triffle triffling	I must have triffle triffled
you must have triffle triffled
she must have triffle triffled
we must have triffle triffled
you must have triffle triffled
they must have triffle triffled	I must have been triffle triffling
you must have been triffle triffling
she must have been triffle triffling
we must have been triffle triffling
you must have been triffle triffling
they must have been triffle triffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't triffle triffle
you mustn't triffle triffle
she mustn't triffle triffle
we mustn't triffle triffle
you mustn't triffle triffle
they mustn't triffle triffle 	I mustn't be triffle triffling
you mustn't be triffle triffling
she mustn't be triffle triffling
we mustn't be triffle triffling
you mustn't be triffle triffling
they mustn't be triffle triffling	I mustn't have triffle triffled
you mustn't have triffle triffled
she mustn't have triffle triffled
we mustn't have triffle triffled
you mustn't have triffle triffled
they mustn't have triffle triffled	I mustn't have been triffle triffling
you mustn't have been triffle triffling
she mustn't have been triffle triffling
we mustn't have been triffle triffling
you mustn't have been triffle triffling
they mustn't have been triffle triffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I triffle triffle?
must you triffle triffle?
must she triffle triffle?
must we triffle triffle?
must you triffle triffle?
must they triffle triffle? 	must I be triffle triffling?
must you be triffle triffling?
must she be triffle triffling?
must we be triffle triffling?
must you be triffle triffling?
must they be triffle triffling? 	must I have triffle triffled?
must you have triffle triffled?
must she have triffle triffled?
must we have triffle triffled?
must you have triffle triffled?
must they have triffle triffled? 	must I have been triffle triffling?
must you have been triffle triffling?
must she have been triffle triffling?
must we have been triffle triffling?
must you have been triffle triffling?
must they have been triffle triffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I triffle triffle?
mustn't you triffle triffle?
mustn't she triffle triffle?
mustn't we triffle triffle?
mustn't you triffle triffle?
mustn't they triffle triffle? 	mustn't I be triffle triffling?
mustn't you be triffle triffling?
mustn't she be triffle triffling?
mustn't we be triffle triffling?
mustn't you be triffle triffling?
mustn't they be triffle triffling? 	mustn't I have triffle triffled?
mustn't you have triffle triffled?
mustn't she have triffle triffled?
mustn't we have triffle triffled?
mustn't you have triffle triffled?
mustn't they have triffle triffled? 	mustn't I have been triffle triffling?
mustn't you have been triffle triffling?
mustn't she have been triffle triffling?
mustn't we have been triffle triffling?
mustn't you have been triffle triffling?
mustn't they have been triffle triffling?