I must wave you must wave he must wave we must wave you must wave they must wave
V-ing form
I must be waving you must be waving he must be waving we must be waving you must be waving they must be waving
Perfect
I must have waved you must have waved he must have waved we must have waved you must have waved they must have waved
V-ing perfect
I must have been waving you must have been waving he must have been waving we must have been waving you must have been waving they must have been waving
Negation
Simple form
I must not wave you must not wave he must not wave we must not wave you must not wave they must not wave
V-ing form
I must not be waving you must not be waving he must not be waving we must not be waving you must not be waving they must not be waving
Perfect
I must not have waved you must not have waved he must not have waved we must not have waved you must not have waved they must not have waved
V-ing perfect
I must not have been waving you must not have been waving he must not have been waving we must not have been waving you must not have been waving they must not have been waving
Interrogative form
Simple form
must I wave? must you wave? must he wave? must we wave? must you wave? must they wave?
V-ing form
must I be waving? must you be waving? must he be waving? must we be waving? must you be waving? must they be waving?
Perfect
must I have waved? must you have waved? must he have waved? must we have waved? must you have waved? must they have waved?
V-ing perfect
must I have been waving? must you have been waving? must he have been waving? must we have been waving? must you have been waving? must they have been waving?
Interro-negative form
Simple form
must I not wave? must you not wave? must he not wave? must we not wave? must you not wave? must they not wave?
V-ing form
must I not be waving? must you not be waving? must he not be waving? must we not be waving? must you not be waving? must they not be waving?
Perfect
must I not have waved? must you not have waved? must he not have waved? must we not have waved? must you not have waved? must they not have waved?
V-ing perfect
must I not have been waving? must you not have been waving? must he not have been waving? must we not have been waving? must you not have been waving? must they not have been waving?