I must collectivize you must collectivize she must collectivize we must collectivize you must collectivize they must collectivize
V-ing form
I must be collectivizing you must be collectivizing she must be collectivizing we must be collectivizing you must be collectivizing they must be collectivizing
Perfect
I must have collectivized you must have collectivized she must have collectivized we must have collectivized you must have collectivized they must have collectivized
V-ing perfect
I must have been collectivizing you must have been collectivizing she must have been collectivizing we must have been collectivizing you must have been collectivizing they must have been collectivizing
Negation
Simple form
I must not collectivize you must not collectivize she must not collectivize we must not collectivize you must not collectivize they must not collectivize
V-ing form
I must not be collectivizing you must not be collectivizing she must not be collectivizing we must not be collectivizing you must not be collectivizing they must not be collectivizing
Perfect
I must not have collectivized you must not have collectivized she must not have collectivized we must not have collectivized you must not have collectivized they must not have collectivized
V-ing perfect
I must not have been collectivizing you must not have been collectivizing she must not have been collectivizing we must not have been collectivizing you must not have been collectivizing they must not have been collectivizing
Interrogative form
Simple form
must I collectivize? must you collectivize? must she collectivize? must we collectivize? must you collectivize? must they collectivize?
V-ing form
must I be collectivizing? must you be collectivizing? must she be collectivizing? must we be collectivizing? must you be collectivizing? must they be collectivizing?
Perfect
must I have collectivized? must you have collectivized? must she have collectivized? must we have collectivized? must you have collectivized? must they have collectivized?
V-ing perfect
must I have been collectivizing? must you have been collectivizing? must she have been collectivizing? must we have been collectivizing? must you have been collectivizing? must they have been collectivizing?
Interro-negative form
Simple form
must I not collectivize? must you not collectivize? must she not collectivize? must we not collectivize? must you not collectivize? must they not collectivize?
V-ing form
must I not be collectivizing? must you not be collectivizing? must she not be collectivizing? must we not be collectivizing? must you not be collectivizing? must they not be collectivizing?
Perfect
must I not have collectivized? must you not have collectivized? must she not have collectivized? must we not have collectivized? must you not have collectivized? must they not have collectivized?
V-ing perfect
must I not have been collectivizing? must you not have been collectivizing? must she not have been collectivizing? must we not have been collectivizing? must you not have been collectivizing? must they not have been collectivizing?