I must slenderize you must slenderize she must slenderize we must slenderize you must slenderize they must slenderize
V-ing form
I must be slenderizing you must be slenderizing she must be slenderizing we must be slenderizing you must be slenderizing they must be slenderizing
Perfect
I must have slenderized you must have slenderized she must have slenderized we must have slenderized you must have slenderized they must have slenderized
V-ing perfect
I must have been slenderizing you must have been slenderizing she must have been slenderizing we must have been slenderizing you must have been slenderizing they must have been slenderizing
Negation
Simple form
I must not slenderize you must not slenderize she must not slenderize we must not slenderize you must not slenderize they must not slenderize
V-ing form
I must not be slenderizing you must not be slenderizing she must not be slenderizing we must not be slenderizing you must not be slenderizing they must not be slenderizing
Perfect
I must not have slenderized you must not have slenderized she must not have slenderized we must not have slenderized you must not have slenderized they must not have slenderized
V-ing perfect
I must not have been slenderizing you must not have been slenderizing she must not have been slenderizing we must not have been slenderizing you must not have been slenderizing they must not have been slenderizing
Interrogative form
Simple form
must I slenderize? must you slenderize? must she slenderize? must we slenderize? must you slenderize? must they slenderize?
V-ing form
must I be slenderizing? must you be slenderizing? must she be slenderizing? must we be slenderizing? must you be slenderizing? must they be slenderizing?
Perfect
must I have slenderized? must you have slenderized? must she have slenderized? must we have slenderized? must you have slenderized? must they have slenderized?
V-ing perfect
must I have been slenderizing? must you have been slenderizing? must she have been slenderizing? must we have been slenderizing? must you have been slenderizing? must they have been slenderizing?
Interro-negative form
Simple form
must I not slenderize? must you not slenderize? must she not slenderize? must we not slenderize? must you not slenderize? must they not slenderize?
V-ing form
must I not be slenderizing? must you not be slenderizing? must she not be slenderizing? must we not be slenderizing? must you not be slenderizing? must they not be slenderizing?
Perfect
must I not have slenderized? must you not have slenderized? must she not have slenderized? must we not have slenderized? must you not have slenderized? must they not have slenderized?
V-ing perfect
must I not have been slenderizing? must you not have been slenderizing? must she not have been slenderizing? must we not have been slenderizing? must you not have been slenderizing? must they not have been slenderizing?