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 must not darkle you must not darkle he must not darkle we must not darkle you must not darkle they must not darkle	I must not be darkling you must not be darkling he must not be darkling we must not be darkling you must not be darkling they must not be darkling
Perfect	V-ing perfect
I must not have darkled you must not have darkled he must not have darkled we must not have darkled you must not have darkled they must not have darkled	I must not have been darkling you must not have been darkling he must not have been darkling we must not have been darkling you must not have been darkling they must not 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
must I not darkle? must you not darkle? must he not darkle? must we not darkle? must you not darkle? must they not darkle?	must I not be darkling? must you not be darkling? must he not be darkling? must we not be darkling? must you not be darkling? must they not be darkling?
Perfect	V-ing perfect
must I not have darkled? must you not have darkled? must he not have darkled? must we not have darkled? must you not have darkled? must they not have darkled?	must I not have been darkling? must you not have been darkling? must he not have been darkling? must we not have been darkling? must you not have been darkling? must they not have been darkling?