I must mistreat you must mistreat he must mistreat we must mistreat you must mistreat they must mistreat
V-ing form
I must be mistreating you must be mistreating he must be mistreating we must be mistreating you must be mistreating they must be mistreating
Perfect
I must have mistreated you must have mistreated he must have mistreated we must have mistreated you must have mistreated they must have mistreated
V-ing perfect
I must have been mistreating you must have been mistreating he must have been mistreating we must have been mistreating you must have been mistreating they must have been mistreating
Negation
Simple form
I must not mistreat you must not mistreat he must not mistreat we must not mistreat you must not mistreat they must not mistreat
V-ing form
I must not be mistreating you must not be mistreating he must not be mistreating we must not be mistreating you must not be mistreating they must not be mistreating
Perfect
I must not have mistreated you must not have mistreated he must not have mistreated we must not have mistreated you must not have mistreated they must not have mistreated
V-ing perfect
I must not have been mistreating you must not have been mistreating he must not have been mistreating we must not have been mistreating you must not have been mistreating they must not have been mistreating
Interrogative form
Simple form
must I mistreat? must you mistreat? must he mistreat? must we mistreat? must you mistreat? must they mistreat?
V-ing form
must I be mistreating? must you be mistreating? must he be mistreating? must we be mistreating? must you be mistreating? must they be mistreating?
Perfect
must I have mistreated? must you have mistreated? must he have mistreated? must we have mistreated? must you have mistreated? must they have mistreated?
V-ing perfect
must I have been mistreating? must you have been mistreating? must he have been mistreating? must we have been mistreating? must you have been mistreating? must they have been mistreating?
Interro-negative form
Simple form
must I not mistreat? must you not mistreat? must he not mistreat? must we not mistreat? must you not mistreat? must they not mistreat?
V-ing form
must I not be mistreating? must you not be mistreating? must he not be mistreating? must we not be mistreating? must you not be mistreating? must they not be mistreating?
Perfect
must I not have mistreated? must you not have mistreated? must he not have mistreated? must we not have mistreated? must you not have mistreated? must they not have mistreated?
V-ing perfect
must I not have been mistreating? must you not have been mistreating? must he not have been mistreating? must we not have been mistreating? must you not have been mistreating? must they not have been mistreating?