I must risk you must risk he must risk we must risk you must risk they must risk
V-ing form
I must be risking you must be risking he must be risking we must be risking you must be risking they must be risking
Perfect
I must have risked you must have risked he must have risked we must have risked you must have risked they must have risked
V-ing perfect
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
I must not risk you must not risk he must not risk we must not risk you must not risk they must not risk
V-ing form
I must not be risking you must not be risking he must not be risking we must not be risking you must not be risking they must not be risking
Perfect
I must not have risked you must not have risked he must not have risked we must not have risked you must not have risked they must not have risked
V-ing perfect
I must not have been risking you must not have been risking he must not have been risking we must not have been risking you must not have been risking they must not have been risking
Interrogative form
Simple form
must I risk? must you risk? must he risk? must we risk? must you risk? must they risk?
V-ing form
must I be risking? must you be risking? must he be risking? must we be risking? must you be risking? must they be risking?
Perfect
must I have risked? must you have risked? must he have risked? must we have risked? must you have risked? must they have risked?
V-ing perfect
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
must I not risk? must you not risk? must he not risk? must we not risk? must you not risk? must they not risk?
V-ing form
must I not be risking? must you not be risking? must he not be risking? must we not be risking? must you not be risking? must they not be risking?
Perfect
must I not have risked? must you not have risked? must he not have risked? must we not have risked? must you not have risked? must they not have risked?
V-ing perfect
must I not have been risking? must you not have been risking? must he not have been risking? must we not have been risking? must you not have been risking? must they not have been risking?