must risk
Regular verb: risk - risked- risked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must risk
you must risk
he must risk
we must risk
you must risk
they must risk 	I must be risking
you must be risking
he must be risking
we must be risking
you must be risking
they must be risking	I must have risked
you must have risked
he must have risked
we must have risked
you must have risked
they must have risked	I must have been risking
you must have been risking
he must have been risking
we must have been risking
you must have been risking
they must have been risking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't risk
you mustn't risk
he mustn't risk
we mustn't risk
you mustn't risk
they mustn't risk 	I mustn't be risking
you mustn't be risking
he mustn't be risking
we mustn't be risking
you mustn't be risking
they mustn't be risking	I mustn't have risked
you mustn't have risked
he mustn't have risked
we mustn't have risked
you mustn't have risked
they mustn't have risked	I mustn't have been risking
you mustn't have been risking
he mustn't have been risking
we mustn't have been risking
you mustn't have been risking
they mustn't have been risking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I risk?
must you risk?
must he risk?
must we risk?
must you risk?
must they risk? 	must I be risking?
must you be risking?
must he be risking?
must we be risking?
must you be risking?
must they be risking? 	must I have risked?
must you have risked?
must he have risked?
must we have risked?
must you have risked?
must they have risked? 	must I have been risking?
must you have been risking?
must he have been risking?
must we have been risking?
must you have been risking?
must they have been risking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I risk?
mustn't you risk?
mustn't he risk?
mustn't we risk?
mustn't you risk?
mustn't they risk? 	mustn't I be risking?
mustn't you be risking?
mustn't he be risking?
mustn't we be risking?
mustn't you be risking?
mustn't they be risking? 	mustn't I have risked?
mustn't you have risked?
mustn't he have risked?
mustn't we have risked?
mustn't you have risked?
mustn't they have risked? 	mustn't I have been risking?
mustn't you have been risking?
mustn't he have been risking?
mustn't we have been risking?
mustn't you have been risking?
mustn't they have been risking?