English verb conjugation
MUST SLAVE

Regular verb: slave - slaved - slaved

Affirmation

Simple form	V-ing form
I must slave you must slave he must slave we must slave you must slave they must slave	I must be slaving you must be slaving he must be slaving we must be slaving you must be slaving they must be slaving
Perfect	V-ing perfect
I must have slaved you must have slaved he must have slaved we must have slaved you must have slaved they must have slaved	I must have been slaving you must have been slaving he must have been slaving we must have been slaving you must have been slaving they must have been slaving

Negation

Simple form	V-ing form
I mustn't slave you mustn't slave he mustn't slave we mustn't slave you mustn't slave they mustn't slave	I mustn't be slaving you mustn't be slaving he mustn't be slaving we mustn't be slaving you mustn't be slaving they mustn't be slaving
Perfect	V-ing perfect
I mustn't have slaved you mustn't have slaved he mustn't have slaved we mustn't have slaved you mustn't have slaved they mustn't have slaved	I mustn't have been slaving you mustn't have been slaving he mustn't have been slaving we mustn't have been slaving you mustn't have been slaving they mustn't have been slaving

Interrogative form

Simple form	V-ing form
must I slave? must you slave? must he slave? must we slave? must you slave? must they slave?	must I be slaving? must you be slaving? must he be slaving? must we be slaving? must you be slaving? must they be slaving?
Perfect	V-ing perfect
must I have slaved? must you have slaved? must he have slaved? must we have slaved? must you have slaved? must they have slaved?	must I have been slaving? must you have been slaving? must he have been slaving? must we have been slaving? must you have been slaving? must they have been slaving?

Interro-negative form

Simple form	V-ing form
mustn't I slave? mustn't you slave? mustn't he slave? mustn't we slave? mustn't you slave? mustn't they slave?	mustn't I be slaving? mustn't you be slaving? mustn't he be slaving? mustn't we be slaving? mustn't you be slaving? mustn't they be slaving?
Perfect	V-ing perfect
mustn't I have slaved? mustn't you have slaved? mustn't he have slaved? mustn't we have slaved? mustn't you have slaved? mustn't they have slaved?	mustn't I have been slaving? mustn't you have been slaving? mustn't he have been slaving? mustn't we have been slaving? mustn't you have been slaving? mustn't they have been slaving?