English verb conjugation
MUST DARKLE

Regular verb: darkle - darkled - darkled

Affirmation

Simple form	V-ing form
I must darkle you must darkle he must darkle we must darkle you must darkle they must darkle	I must be darkling you must be darkling he must be darkling we must be darkling you must be darkling they must be darkling
Perfect	V-ing perfect
I must have darkled you must have darkled he must have darkled we must have darkled you must have darkled they must have darkled	I must have been darkling you must have been darkling he must have been darkling we must have been darkling you must have been darkling they must have been darkling

Negation

Simple form	V-ing form
I mustn't darkle you mustn't darkle he mustn't darkle we mustn't darkle you mustn't darkle they mustn't darkle	I mustn't be darkling you mustn't be darkling he mustn't be darkling we mustn't be darkling you mustn't be darkling they mustn't be darkling
Perfect	V-ing perfect
I mustn't have darkled you mustn't have darkled he mustn't have darkled we mustn't have darkled you mustn't have darkled they mustn't have darkled	I mustn't have been darkling you mustn't have been darkling he mustn't have been darkling we mustn't have been darkling you mustn't have been darkling they mustn't have been darkling

Interrogative form

Simple form	V-ing form
must I darkle? must you darkle? must he darkle? must we darkle? must you darkle? must they darkle?	must I be darkling? must you be darkling? must he be darkling? must we be darkling? must you be darkling? must they be darkling?
Perfect	V-ing perfect
must I have darkled? must you have darkled? must he have darkled? must we have darkled? must you have darkled? must they have darkled?	must I have been darkling? must you have been darkling? must he have been darkling? must we have been darkling? must you have been darkling? must they have been darkling?

Interro-negative form

Simple form	V-ing form
mustn't I darkle? mustn't you darkle? mustn't he darkle? mustn't we darkle? mustn't you darkle? mustn't they darkle?	mustn't I be darkling? mustn't you be darkling? mustn't he be darkling? mustn't we be darkling? mustn't you be darkling? mustn't they be darkling?
Perfect	V-ing perfect
mustn't I have darkled? mustn't you have darkled? mustn't he have darkled? mustn't we have darkled? mustn't you have darkled? mustn't they have darkled?	mustn't I have been darkling? mustn't you have been darkling? mustn't he have been darkling? mustn't we have been darkling? mustn't you have been darkling? mustn't they have been darkling?