I must grandstand you must grandstand she must grandstand we must grandstand you must grandstand they must grandstand
V-ing form
I must be grandstanding you must be grandstanding she must be grandstanding we must be grandstanding you must be grandstanding they must be grandstanding
Perfect
I must have grandstanded you must have grandstanded she must have grandstanded we must have grandstanded you must have grandstanded they must have grandstanded
V-ing perfect
I must have been grandstanding you must have been grandstanding she must have been grandstanding we must have been grandstanding you must have been grandstanding they must have been grandstanding
Negation
Simple form
I must not grandstand you must not grandstand she must not grandstand we must not grandstand you must not grandstand they must not grandstand
V-ing form
I must not be grandstanding you must not be grandstanding she must not be grandstanding we must not be grandstanding you must not be grandstanding they must not be grandstanding
Perfect
I must not have grandstanded you must not have grandstanded she must not have grandstanded we must not have grandstanded you must not have grandstanded they must not have grandstanded
V-ing perfect
I must not have been grandstanding you must not have been grandstanding she must not have been grandstanding we must not have been grandstanding you must not have been grandstanding they must not have been grandstanding
Interrogative form
Simple form
must I grandstand? must you grandstand? must she grandstand? must we grandstand? must you grandstand? must they grandstand?
V-ing form
must I be grandstanding? must you be grandstanding? must she be grandstanding? must we be grandstanding? must you be grandstanding? must they be grandstanding?
Perfect
must I have grandstanded? must you have grandstanded? must she have grandstanded? must we have grandstanded? must you have grandstanded? must they have grandstanded?
V-ing perfect
must I have been grandstanding? must you have been grandstanding? must she have been grandstanding? must we have been grandstanding? must you have been grandstanding? must they have been grandstanding?
Interro-negative form
Simple form
must I not grandstand? must you not grandstand? must she not grandstand? must we not grandstand? must you not grandstand? must they not grandstand?
V-ing form
must I not be grandstanding? must you not be grandstanding? must she not be grandstanding? must we not be grandstanding? must you not be grandstanding? must they not be grandstanding?
Perfect
must I not have grandstanded? must you not have grandstanded? must she not have grandstanded? must we not have grandstanded? must you not have grandstanded? must they not have grandstanded?
V-ing perfect
must I not have been grandstanding? must you not have been grandstanding? must she not have been grandstanding? must we not have been grandstanding? must you not have been grandstanding? must they not have been grandstanding?