must apply
Regular verb: apply - applied- applied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must apply
you must apply
she must apply
we must apply
you must apply
they must apply 	I must be applying
you must be applying
she must be applying
we must be applying
you must be applying
they must be applying	I must have applied
you must have applied
she must have applied
we must have applied
you must have applied
they must have applied	I must have been applying
you must have been applying
she must have been applying
we must have been applying
you must have been applying
they must have been applying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not apply
you must not apply
she must not apply
we must not apply
you must not apply
they must not apply 	I must not be applying
you must not be applying
she must not be applying
we must not be applying
you must not be applying
they must not be applying	I must not have applied
you must not have applied
she must not have applied
we must not have applied
you must not have applied
they must not have applied	I must not have been applying
you must not have been applying
she must not have been applying
we must not have been applying
you must not have been applying
they must not have been applying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I apply?
must you apply?
must she apply?
must we apply?
must you apply?
must they apply? 	must I be applying?
must you be applying?
must she be applying?
must we be applying?
must you be applying?
must they be applying? 	must I have applied?
must you have applied?
must she have applied?
must we have applied?
must you have applied?
must they have applied? 	must I have been applying?
must you have been applying?
must she have been applying?
must we have been applying?
must you have been applying?
must they have been applying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not apply?
must you not apply?
must she not apply?
must we not apply?
must you not apply?
must they not apply? 	must I not be applying?
must you not be applying?
must she not be applying?
must we not be applying?
must you not be applying?
must they not be applying? 	must I not have applied?
must you not have applied?
must she not have applied?
must we not have applied?
must you not have applied?
must they not have applied? 	must I not have been applying?
must you not have been applying?
must she not have been applying?
must we not have been applying?
must you not have been applying?
must they not have been applying?