I must shoe you must shoe he must shoe we must shoe you must shoe they must shoe
V-ing form
I must be shoing you must be shoing he must be shoing we must be shoing you must be shoing they must be shoing
Perfect
I must have shod, shoed you must have shod, shoed he must have shod, shoed we must have shod, shoed you must have shod, shoed they must have shod, shoed
V-ing perfect
I must have been shoing you must have been shoing he must have been shoing we must have been shoing you must have been shoing they must have been shoing
Negation
Simple form
I must not shoe you must not shoe he must not shoe we must not shoe you must not shoe they must not shoe
V-ing form
I must not be shoing you must not be shoing he must not be shoing we must not be shoing you must not be shoing they must not be shoing
Perfect
I must not have shod, shoed you must not have shod, shoed he must not have shod, shoed we must not have shod, shoed you must not have shod, shoed they must not have shod, shoed
V-ing perfect
I must not have been shoing you must not have been shoing he must not have been shoing we must not have been shoing you must not have been shoing they must not have been shoing
Interrogative form
Simple form
must I shoe? must you shoe? must he shoe? must we shoe? must you shoe? must they shoe?
V-ing form
must I be shoing? must you be shoing? must he be shoing? must we be shoing? must you be shoing? must they be shoing?
Perfect
must I have shod, shoed? must you have shod, shoed? must he have shod, shoed? must we have shod, shoed? must you have shod, shoed? must they have shod, shoed?
V-ing perfect
must I have been shoing? must you have been shoing? must he have been shoing? must we have been shoing? must you have been shoing? must they have been shoing?
Interro-negative form
Simple form
must I not shoe? must you not shoe? must he not shoe? must we not shoe? must you not shoe? must they not shoe?
V-ing form
must I not be shoing? must you not be shoing? must he not be shoing? must we not be shoing? must you not be shoing? must they not be shoing?
Perfect
must I not have shod, shoed? must you not have shod, shoed? must he not have shod, shoed? must we not have shod, shoed? must you not have shod, shoed? must they not have shod, shoed?
V-ing perfect
must I not have been shoing? must you not have been shoing? must he not have been shoing? must we not have been shoing? must you not have been shoing? must they not have been shoing?