must whiffle whiffle
Regular verb: whiffle whiffle - whiffle whiffled- whiffle whiffled

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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must whiffle whiffle
you must whiffle whiffle
he must whiffle whiffle
we must whiffle whiffle
you must whiffle whiffle
they must whiffle whiffle 	I must be whiffle whiffling
you must be whiffle whiffling
he must be whiffle whiffling
we must be whiffle whiffling
you must be whiffle whiffling
they must be whiffle whiffling	I must have whiffle whiffled
you must have whiffle whiffled
he must have whiffle whiffled
we must have whiffle whiffled
you must have whiffle whiffled
they must have whiffle whiffled	I must have been whiffle whiffling
you must have been whiffle whiffling
he must have been whiffle whiffling
we must have been whiffle whiffling
you must have been whiffle whiffling
they must have been whiffle whiffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not whiffle whiffle
you must not whiffle whiffle
he must not whiffle whiffle
we must not whiffle whiffle
you must not whiffle whiffle
they must not whiffle whiffle 	I must not be whiffle whiffling
you must not be whiffle whiffling
he must not be whiffle whiffling
we must not be whiffle whiffling
you must not be whiffle whiffling
they must not be whiffle whiffling	I must not have whiffle whiffled
you must not have whiffle whiffled
he must not have whiffle whiffled
we must not have whiffle whiffled
you must not have whiffle whiffled
they must not have whiffle whiffled	I must not have been whiffle whiffling
you must not have been whiffle whiffling
he must not have been whiffle whiffling
we must not have been whiffle whiffling
you must not have been whiffle whiffling
they must not have been whiffle whiffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I whiffle whiffle?
must you whiffle whiffle?
must he whiffle whiffle?
must we whiffle whiffle?
must you whiffle whiffle?
must they whiffle whiffle? 	must I be whiffle whiffling?
must you be whiffle whiffling?
must he be whiffle whiffling?
must we be whiffle whiffling?
must you be whiffle whiffling?
must they be whiffle whiffling? 	must I have whiffle whiffled?
must you have whiffle whiffled?
must he have whiffle whiffled?
must we have whiffle whiffled?
must you have whiffle whiffled?
must they have whiffle whiffled? 	must I have been whiffle whiffling?
must you have been whiffle whiffling?
must he have been whiffle whiffling?
must we have been whiffle whiffling?
must you have been whiffle whiffling?
must they have been whiffle whiffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not whiffle whiffle?
must you not whiffle whiffle?
must he not whiffle whiffle?
must we not whiffle whiffle?
must you not whiffle whiffle?
must they not whiffle whiffle? 	must I not be whiffle whiffling?
must you not be whiffle whiffling?
must he not be whiffle whiffling?
must we not be whiffle whiffling?
must you not be whiffle whiffling?
must they not be whiffle whiffling? 	must I not have whiffle whiffled?
must you not have whiffle whiffled?
must he not have whiffle whiffled?
must we not have whiffle whiffled?
must you not have whiffle whiffled?
must they not have whiffle whiffled? 	must I not have been whiffle whiffling?
must you not have been whiffle whiffling?
must he not have been whiffle whiffling?
must we not have been whiffle whiffling?
must you not have been whiffle whiffling?
must they not have been whiffle whiffling?