I must alchemize you must alchemize he must alchemize we must alchemize you must alchemize they must alchemize
V-ing form
I must be alchemizing you must be alchemizing he must be alchemizing we must be alchemizing you must be alchemizing they must be alchemizing
Perfect
I must have alchemized you must have alchemized he must have alchemized we must have alchemized you must have alchemized they must have alchemized
V-ing perfect
I must have been alchemizing you must have been alchemizing he must have been alchemizing we must have been alchemizing you must have been alchemizing they must have been alchemizing
Negation
Simple form
I mustn't alchemize you mustn't alchemize he mustn't alchemize we mustn't alchemize you mustn't alchemize they mustn't alchemize
V-ing form
I mustn't be alchemizing you mustn't be alchemizing he mustn't be alchemizing we mustn't be alchemizing you mustn't be alchemizing they mustn't be alchemizing
Perfect
I mustn't have alchemized you mustn't have alchemized he mustn't have alchemized we mustn't have alchemized you mustn't have alchemized they mustn't have alchemized
V-ing perfect
I mustn't have been alchemizing you mustn't have been alchemizing he mustn't have been alchemizing we mustn't have been alchemizing you mustn't have been alchemizing they mustn't have been alchemizing
Interrogative form
Simple form
must I alchemize? must you alchemize? must he alchemize? must we alchemize? must you alchemize? must they alchemize?
V-ing form
must I be alchemizing? must you be alchemizing? must he be alchemizing? must we be alchemizing? must you be alchemizing? must they be alchemizing?
Perfect
must I have alchemized? must you have alchemized? must he have alchemized? must we have alchemized? must you have alchemized? must they have alchemized?
V-ing perfect
must I have been alchemizing? must you have been alchemizing? must he have been alchemizing? must we have been alchemizing? must you have been alchemizing? must they have been alchemizing?
Interro-negative form
Simple form
mustn't I alchemize? mustn't you alchemize? mustn't he alchemize? mustn't we alchemize? mustn't you alchemize? mustn't they alchemize?
V-ing form
mustn't I be alchemizing? mustn't you be alchemizing? mustn't he be alchemizing? mustn't we be alchemizing? mustn't you be alchemizing? mustn't they be alchemizing?
Perfect
mustn't I have alchemized? mustn't you have alchemized? mustn't he have alchemized? mustn't we have alchemized? mustn't you have alchemized? mustn't they have alchemized?
V-ing perfect
mustn't I have been alchemizing? mustn't you have been alchemizing? mustn't he have been alchemizing? mustn't we have been alchemizing? mustn't you have been alchemizing? mustn't they have been alchemizing?