I must awaken you must awaken she must awaken we must awaken you must awaken they must awaken
V-ing form
I must be awakening you must be awakening she must be awakening we must be awakening you must be awakening they must be awakening
Perfect
I must have awakened you must have awakened she must have awakened we must have awakened you must have awakened they must have awakened
V-ing perfect
I must have been awakening you must have been awakening she must have been awakening we must have been awakening you must have been awakening they must have been awakening
Negation
Simple form
I must not awaken you must not awaken she must not awaken we must not awaken you must not awaken they must not awaken
V-ing form
I must not be awakening you must not be awakening she must not be awakening we must not be awakening you must not be awakening they must not be awakening
Perfect
I must not have awakened you must not have awakened she must not have awakened we must not have awakened you must not have awakened they must not have awakened
V-ing perfect
I must not have been awakening you must not have been awakening she must not have been awakening we must not have been awakening you must not have been awakening they must not have been awakening
Interrogative form
Simple form
must I awaken? must you awaken? must she awaken? must we awaken? must you awaken? must they awaken?
V-ing form
must I be awakening? must you be awakening? must she be awakening? must we be awakening? must you be awakening? must they be awakening?
Perfect
must I have awakened? must you have awakened? must she have awakened? must we have awakened? must you have awakened? must they have awakened?
V-ing perfect
must I have been awakening? must you have been awakening? must she have been awakening? must we have been awakening? must you have been awakening? must they have been awakening?
Interro-negative form
Simple form
must I not awaken? must you not awaken? must she not awaken? must we not awaken? must you not awaken? must they not awaken?
V-ing form
must I not be awakening? must you not be awakening? must she not be awakening? must we not be awakening? must you not be awakening? must they not be awakening?
Perfect
must I not have awakened? must you not have awakened? must she not have awakened? must we not have awakened? must you not have awakened? must they not have awakened?
V-ing perfect
must I not have been awakening? must you not have been awakening? must she not have been awakening? must we not have been awakening? must you not have been awakening? must they not have been awakening?