I must trumpet you must trumpet he must trumpet we must trumpet you must trumpet they must trumpet
V-ing form
I must be trumpeting you must be trumpeting he must be trumpeting we must be trumpeting you must be trumpeting they must be trumpeting
Perfect
I must have trumpeted you must have trumpeted he must have trumpeted we must have trumpeted you must have trumpeted they must have trumpeted
V-ing perfect
I must have been trumpeting you must have been trumpeting he must have been trumpeting we must have been trumpeting you must have been trumpeting they must have been trumpeting
Negation
Simple form
I must not trumpet you must not trumpet he must not trumpet we must not trumpet you must not trumpet they must not trumpet
V-ing form
I must not be trumpeting you must not be trumpeting he must not be trumpeting we must not be trumpeting you must not be trumpeting they must not be trumpeting
Perfect
I must not have trumpeted you must not have trumpeted he must not have trumpeted we must not have trumpeted you must not have trumpeted they must not have trumpeted
V-ing perfect
I must not have been trumpeting you must not have been trumpeting he must not have been trumpeting we must not have been trumpeting you must not have been trumpeting they must not have been trumpeting
Interrogative form
Simple form
must I trumpet? must you trumpet? must he trumpet? must we trumpet? must you trumpet? must they trumpet?
V-ing form
must I be trumpeting? must you be trumpeting? must he be trumpeting? must we be trumpeting? must you be trumpeting? must they be trumpeting?
Perfect
must I have trumpeted? must you have trumpeted? must he have trumpeted? must we have trumpeted? must you have trumpeted? must they have trumpeted?
V-ing perfect
must I have been trumpeting? must you have been trumpeting? must he have been trumpeting? must we have been trumpeting? must you have been trumpeting? must they have been trumpeting?
Interro-negative form
Simple form
must I not trumpet? must you not trumpet? must he not trumpet? must we not trumpet? must you not trumpet? must they not trumpet?
V-ing form
must I not be trumpeting? must you not be trumpeting? must he not be trumpeting? must we not be trumpeting? must you not be trumpeting? must they not be trumpeting?
Perfect
must I not have trumpeted? must you not have trumpeted? must he not have trumpeted? must we not have trumpeted? must you not have trumpeted? must they not have trumpeted?
V-ing perfect
must I not have been trumpeting? must you not have been trumpeting? must he not have been trumpeting? must we not have been trumpeting? must you not have been trumpeting? must they not have been trumpeting?