I must debate you must debate he must debate we must debate you must debate they must debate
V-ing form
I must be debating you must be debating he must be debating we must be debating you must be debating they must be debating
Perfect
I must have debated you must have debated he must have debated we must have debated you must have debated they must have debated
V-ing perfect
I must have been debating you must have been debating he must have been debating we must have been debating you must have been debating they must have been debating
Negation
Simple form
I must not debate you must not debate he must not debate we must not debate you must not debate they must not debate
V-ing form
I must not be debating you must not be debating he must not be debating we must not be debating you must not be debating they must not be debating
Perfect
I must not have debated you must not have debated he must not have debated we must not have debated you must not have debated they must not have debated
V-ing perfect
I must not have been debating you must not have been debating he must not have been debating we must not have been debating you must not have been debating they must not have been debating
Interrogative form
Simple form
must I debate? must you debate? must he debate? must we debate? must you debate? must they debate?
V-ing form
must I be debating? must you be debating? must he be debating? must we be debating? must you be debating? must they be debating?
Perfect
must I have debated? must you have debated? must he have debated? must we have debated? must you have debated? must they have debated?
V-ing perfect
must I have been debating? must you have been debating? must he have been debating? must we have been debating? must you have been debating? must they have been debating?
Interro-negative form
Simple form
must I not debate? must you not debate? must he not debate? must we not debate? must you not debate? must they not debate?
V-ing form
must I not be debating? must you not be debating? must he not be debating? must we not be debating? must you not be debating? must they not be debating?
Perfect
must I not have debated? must you not have debated? must he not have debated? must we not have debated? must you not have debated? must they not have debated?
V-ing perfect
must I not have been debating? must you not have been debating? must he not have been debating? must we not have been debating? must you not have been debating? must they not have been debating?