I must superrefine you must superrefine she must superrefine we must superrefine you must superrefine they must superrefine
V-ing form
I must be superrefining you must be superrefining she must be superrefining we must be superrefining you must be superrefining they must be superrefining
Perfect
I must have superrefined you must have superrefined she must have superrefined we must have superrefined you must have superrefined they must have superrefined
V-ing perfect
I must have been superrefining you must have been superrefining she must have been superrefining we must have been superrefining you must have been superrefining they must have been superrefining
Negation
Simple form
I must not superrefine you must not superrefine she must not superrefine we must not superrefine you must not superrefine they must not superrefine
V-ing form
I must not be superrefining you must not be superrefining she must not be superrefining we must not be superrefining you must not be superrefining they must not be superrefining
Perfect
I must not have superrefined you must not have superrefined she must not have superrefined we must not have superrefined you must not have superrefined they must not have superrefined
V-ing perfect
I must not have been superrefining you must not have been superrefining she must not have been superrefining we must not have been superrefining you must not have been superrefining they must not have been superrefining
Interrogative form
Simple form
must I superrefine? must you superrefine? must she superrefine? must we superrefine? must you superrefine? must they superrefine?
V-ing form
must I be superrefining? must you be superrefining? must she be superrefining? must we be superrefining? must you be superrefining? must they be superrefining?
Perfect
must I have superrefined? must you have superrefined? must she have superrefined? must we have superrefined? must you have superrefined? must they have superrefined?
V-ing perfect
must I have been superrefining? must you have been superrefining? must she have been superrefining? must we have been superrefining? must you have been superrefining? must they have been superrefining?
Interro-negative form
Simple form
must I not superrefine? must you not superrefine? must she not superrefine? must we not superrefine? must you not superrefine? must they not superrefine?
V-ing form
must I not be superrefining? must you not be superrefining? must she not be superrefining? must we not be superrefining? must you not be superrefining? must they not be superrefining?
Perfect
must I not have superrefined? must you not have superrefined? must she not have superrefined? must we not have superrefined? must you not have superrefined? must they not have superrefined?
V-ing perfect
must I not have been superrefining? must you not have been superrefining? must she not have been superrefining? must we not have been superrefining? must you not have been superrefining? must they not have been superrefining?