I must alchemise you must alchemise she must alchemise we must alchemise you must alchemise they must alchemise
V-ing form
I must be alchemising you must be alchemising she must be alchemising we must be alchemising you must be alchemising they must be alchemising
Perfect
I must have alchemised you must have alchemised she must have alchemised we must have alchemised you must have alchemised they must have alchemised
V-ing perfect
I must have been alchemising you must have been alchemising she must have been alchemising we must have been alchemising you must have been alchemising they must have been alchemising
Negation
Simple form
I mustn't alchemise you mustn't alchemise she mustn't alchemise we mustn't alchemise you mustn't alchemise they mustn't alchemise
V-ing form
I mustn't be alchemising you mustn't be alchemising she mustn't be alchemising we mustn't be alchemising you mustn't be alchemising they mustn't be alchemising
Perfect
I mustn't have alchemised you mustn't have alchemised she mustn't have alchemised we mustn't have alchemised you mustn't have alchemised they mustn't have alchemised
V-ing perfect
I mustn't have been alchemising you mustn't have been alchemising she mustn't have been alchemising we mustn't have been alchemising you mustn't have been alchemising they mustn't have been alchemising
Interrogative form
Simple form
must I alchemise? must you alchemise? must she alchemise? must we alchemise? must you alchemise? must they alchemise?
V-ing form
must I be alchemising? must you be alchemising? must she be alchemising? must we be alchemising? must you be alchemising? must they be alchemising?
Perfect
must I have alchemised? must you have alchemised? must she have alchemised? must we have alchemised? must you have alchemised? must they have alchemised?
V-ing perfect
must I have been alchemising? must you have been alchemising? must she have been alchemising? must we have been alchemising? must you have been alchemising? must they have been alchemising?
Interro-negative form
Simple form
mustn't I alchemise? mustn't you alchemise? mustn't she alchemise? mustn't we alchemise? mustn't you alchemise? mustn't they alchemise?
V-ing form
mustn't I be alchemising? mustn't you be alchemising? mustn't she be alchemising? mustn't we be alchemising? mustn't you be alchemising? mustn't they be alchemising?
Perfect
mustn't I have alchemised? mustn't you have alchemised? mustn't she have alchemised? mustn't we have alchemised? mustn't you have alchemised? mustn't they have alchemised?
V-ing perfect
mustn't I have been alchemising? mustn't you have been alchemising? mustn't she have been alchemising? mustn't we have been alchemising? mustn't you have been alchemising? mustn't they have been alchemising?