I must obliterate you must obliterate she must obliterate we must obliterate you must obliterate they must obliterate
V-ing form
I must be obliterating you must be obliterating she must be obliterating we must be obliterating you must be obliterating they must be obliterating
Perfect
I must have obliterated you must have obliterated she must have obliterated we must have obliterated you must have obliterated they must have obliterated
V-ing perfect
I must have been obliterating you must have been obliterating she must have been obliterating we must have been obliterating you must have been obliterating they must have been obliterating
Negation
Simple form
I must not obliterate you must not obliterate she must not obliterate we must not obliterate you must not obliterate they must not obliterate
V-ing form
I must not be obliterating you must not be obliterating she must not be obliterating we must not be obliterating you must not be obliterating they must not be obliterating
Perfect
I must not have obliterated you must not have obliterated she must not have obliterated we must not have obliterated you must not have obliterated they must not have obliterated
V-ing perfect
I must not have been obliterating you must not have been obliterating she must not have been obliterating we must not have been obliterating you must not have been obliterating they must not have been obliterating
Interrogative form
Simple form
must I obliterate? must you obliterate? must she obliterate? must we obliterate? must you obliterate? must they obliterate?
V-ing form
must I be obliterating? must you be obliterating? must she be obliterating? must we be obliterating? must you be obliterating? must they be obliterating?
Perfect
must I have obliterated? must you have obliterated? must she have obliterated? must we have obliterated? must you have obliterated? must they have obliterated?
V-ing perfect
must I have been obliterating? must you have been obliterating? must she have been obliterating? must we have been obliterating? must you have been obliterating? must they have been obliterating?
Interro-negative form
Simple form
must I not obliterate? must you not obliterate? must she not obliterate? must we not obliterate? must you not obliterate? must they not obliterate?
V-ing form
must I not be obliterating? must you not be obliterating? must she not be obliterating? must we not be obliterating? must you not be obliterating? must they not be obliterating?
Perfect
must I not have obliterated? must you not have obliterated? must she not have obliterated? must we not have obliterated? must you not have obliterated? must they not have obliterated?
V-ing perfect
must I not have been obliterating? must you not have been obliterating? must she not have been obliterating? must we not have been obliterating? must you not have been obliterating? must they not have been obliterating?