I must canoe you must canoe he must canoe we must canoe you must canoe they must canoe
V-ing form
I must be canoing you must be canoing he must be canoing we must be canoing you must be canoing they must be canoing
Perfect
I must have canoed you must have canoed he must have canoed we must have canoed you must have canoed they must have canoed
V-ing perfect
I must have been canoing you must have been canoing he must have been canoing we must have been canoing you must have been canoing they must have been canoing
Negation
Simple form
I must not canoe you must not canoe he must not canoe we must not canoe you must not canoe they must not canoe
V-ing form
I must not be canoing you must not be canoing he must not be canoing we must not be canoing you must not be canoing they must not be canoing
Perfect
I must not have canoed you must not have canoed he must not have canoed we must not have canoed you must not have canoed they must not have canoed
V-ing perfect
I must not have been canoing you must not have been canoing he must not have been canoing we must not have been canoing you must not have been canoing they must not have been canoing
Interrogative form
Simple form
must I canoe? must you canoe? must he canoe? must we canoe? must you canoe? must they canoe?
V-ing form
must I be canoing? must you be canoing? must he be canoing? must we be canoing? must you be canoing? must they be canoing?
Perfect
must I have canoed? must you have canoed? must he have canoed? must we have canoed? must you have canoed? must they have canoed?
V-ing perfect
must I have been canoing? must you have been canoing? must he have been canoing? must we have been canoing? must you have been canoing? must they have been canoing?
Interro-negative form
Simple form
must I not canoe? must you not canoe? must he not canoe? must we not canoe? must you not canoe? must they not canoe?
V-ing form
must I not be canoing? must you not be canoing? must he not be canoing? must we not be canoing? must you not be canoing? must they not be canoing?
Perfect
must I not have canoed? must you not have canoed? must he not have canoed? must we not have canoed? must you not have canoed? must they not have canoed?
V-ing perfect
must I not have been canoing? must you not have been canoing? must he not have been canoing? must we not have been canoing? must you not have been canoing? must they not have been canoing?