must fling
Irregular verb: fling - flung- flung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fling
you must fling
he must fling
we must fling
you must fling
they must fling 	I must be flinging
you must be flinging
he must be flinging
we must be flinging
you must be flinging
they must be flinging	I must have flung
you must have flung
he must have flung
we must have flung
you must have flung
they must have flung	I must have been flinging
you must have been flinging
he must have been flinging
we must have been flinging
you must have been flinging
they must have been flinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't fling
you mustn't fling
he mustn't fling
we mustn't fling
you mustn't fling
they mustn't fling 	I mustn't be flinging
you mustn't be flinging
he mustn't be flinging
we mustn't be flinging
you mustn't be flinging
they mustn't be flinging	I mustn't have flung
you mustn't have flung
he mustn't have flung
we mustn't have flung
you mustn't have flung
they mustn't have flung	I mustn't have been flinging
you mustn't have been flinging
he mustn't have been flinging
we mustn't have been flinging
you mustn't have been flinging
they mustn't have been flinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fling?
must you fling?
must he fling?
must we fling?
must you fling?
must they fling? 	must I be flinging?
must you be flinging?
must he be flinging?
must we be flinging?
must you be flinging?
must they be flinging? 	must I have flung?
must you have flung?
must he have flung?
must we have flung?
must you have flung?
must they have flung? 	must I have been flinging?
must you have been flinging?
must he have been flinging?
must we have been flinging?
must you have been flinging?
must they have been flinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I fling?
mustn't you fling?
mustn't he fling?
mustn't we fling?
mustn't you fling?
mustn't they fling? 	mustn't I be flinging?
mustn't you be flinging?
mustn't he be flinging?
mustn't we be flinging?
mustn't you be flinging?
mustn't they be flinging? 	mustn't I have flung?
mustn't you have flung?
mustn't he have flung?
mustn't we have flung?
mustn't you have flung?
mustn't they have flung? 	mustn't I have been flinging?
mustn't you have been flinging?
mustn't he have been flinging?
mustn't we have been flinging?
mustn't you have been flinging?
mustn't they have been flinging?