I must materialise you must materialise she must materialise we must materialise you must materialise they must materialise
V-ing form
I must be materialising you must be materialising she must be materialising we must be materialising you must be materialising they must be materialising
Perfect
I must have materialised you must have materialised she must have materialised we must have materialised you must have materialised they must have materialised
V-ing perfect
I must have been materialising you must have been materialising she must have been materialising we must have been materialising you must have been materialising they must have been materialising
Negation
Simple form
I must not materialise you must not materialise she must not materialise we must not materialise you must not materialise they must not materialise
V-ing form
I must not be materialising you must not be materialising she must not be materialising we must not be materialising you must not be materialising they must not be materialising
Perfect
I must not have materialised you must not have materialised she must not have materialised we must not have materialised you must not have materialised they must not have materialised
V-ing perfect
I must not have been materialising you must not have been materialising she must not have been materialising we must not have been materialising you must not have been materialising they must not have been materialising
Interrogative form
Simple form
must I materialise? must you materialise? must she materialise? must we materialise? must you materialise? must they materialise?
V-ing form
must I be materialising? must you be materialising? must she be materialising? must we be materialising? must you be materialising? must they be materialising?
Perfect
must I have materialised? must you have materialised? must she have materialised? must we have materialised? must you have materialised? must they have materialised?
V-ing perfect
must I have been materialising? must you have been materialising? must she have been materialising? must we have been materialising? must you have been materialising? must they have been materialising?
Interro-negative form
Simple form
must I not materialise? must you not materialise? must she not materialise? must we not materialise? must you not materialise? must they not materialise?
V-ing form
must I not be materialising? must you not be materialising? must she not be materialising? must we not be materialising? must you not be materialising? must they not be materialising?
Perfect
must I not have materialised? must you not have materialised? must she not have materialised? must we not have materialised? must you not have materialised? must they not have materialised?
V-ing perfect
must I not have been materialising? must you not have been materialising? must she not have been materialising? must we not have been materialising? must you not have been materialising? must they not have been materialising?