I must buffet you must buffet he must buffet we must buffet you must buffet they must buffet
V-ing form
I must be buffeting you must be buffeting he must be buffeting we must be buffeting you must be buffeting they must be buffeting
Perfect
I must have buffeted you must have buffeted he must have buffeted we must have buffeted you must have buffeted they must have buffeted
V-ing perfect
I must have been buffeting you must have been buffeting he must have been buffeting we must have been buffeting you must have been buffeting they must have been buffeting
Negation
Simple form
I must not buffet you must not buffet he must not buffet we must not buffet you must not buffet they must not buffet
V-ing form
I must not be buffeting you must not be buffeting he must not be buffeting we must not be buffeting you must not be buffeting they must not be buffeting
Perfect
I must not have buffeted you must not have buffeted he must not have buffeted we must not have buffeted you must not have buffeted they must not have buffeted
V-ing perfect
I must not have been buffeting you must not have been buffeting he must not have been buffeting we must not have been buffeting you must not have been buffeting they must not have been buffeting
Interrogative form
Simple form
must I buffet? must you buffet? must he buffet? must we buffet? must you buffet? must they buffet?
V-ing form
must I be buffeting? must you be buffeting? must he be buffeting? must we be buffeting? must you be buffeting? must they be buffeting?
Perfect
must I have buffeted? must you have buffeted? must he have buffeted? must we have buffeted? must you have buffeted? must they have buffeted?
V-ing perfect
must I have been buffeting? must you have been buffeting? must he have been buffeting? must we have been buffeting? must you have been buffeting? must they have been buffeting?
Interro-negative form
Simple form
must I not buffet? must you not buffet? must he not buffet? must we not buffet? must you not buffet? must they not buffet?
V-ing form
must I not be buffeting? must you not be buffeting? must he not be buffeting? must we not be buffeting? must you not be buffeting? must they not be buffeting?
Perfect
must I not have buffeted? must you not have buffeted? must he not have buffeted? must we not have buffeted? must you not have buffeted? must they not have buffeted?
V-ing perfect
must I not have been buffeting? must you not have been buffeting? must he not have been buffeting? must we not have been buffeting? must you not have been buffeting? must they not have been buffeting?