must reinforce
Regular verb: reinforce - reinforced- reinforced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reinforce
you must reinforce
he must reinforce
we must reinforce
you must reinforce
they must reinforce 	I must be reinforcing
you must be reinforcing
he must be reinforcing
we must be reinforcing
you must be reinforcing
they must be reinforcing	I must have reinforced
you must have reinforced
he must have reinforced
we must have reinforced
you must have reinforced
they must have reinforced	I must have been reinforcing
you must have been reinforcing
he must have been reinforcing
we must have been reinforcing
you must have been reinforcing
they must have been reinforcing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't reinforce
you mustn't reinforce
he mustn't reinforce
we mustn't reinforce
you mustn't reinforce
they mustn't reinforce 	I mustn't be reinforcing
you mustn't be reinforcing
he mustn't be reinforcing
we mustn't be reinforcing
you mustn't be reinforcing
they mustn't be reinforcing	I mustn't have reinforced
you mustn't have reinforced
he mustn't have reinforced
we mustn't have reinforced
you mustn't have reinforced
they mustn't have reinforced	I mustn't have been reinforcing
you mustn't have been reinforcing
he mustn't have been reinforcing
we mustn't have been reinforcing
you mustn't have been reinforcing
they mustn't have been reinforcing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reinforce?
must you reinforce?
must he reinforce?
must we reinforce?
must you reinforce?
must they reinforce? 	must I be reinforcing?
must you be reinforcing?
must he be reinforcing?
must we be reinforcing?
must you be reinforcing?
must they be reinforcing? 	must I have reinforced?
must you have reinforced?
must he have reinforced?
must we have reinforced?
must you have reinforced?
must they have reinforced? 	must I have been reinforcing?
must you have been reinforcing?
must he have been reinforcing?
must we have been reinforcing?
must you have been reinforcing?
must they have been reinforcing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I reinforce?
mustn't you reinforce?
mustn't he reinforce?
mustn't we reinforce?
mustn't you reinforce?
mustn't they reinforce? 	mustn't I be reinforcing?
mustn't you be reinforcing?
mustn't he be reinforcing?
mustn't we be reinforcing?
mustn't you be reinforcing?
mustn't they be reinforcing? 	mustn't I have reinforced?
mustn't you have reinforced?
mustn't he have reinforced?
mustn't we have reinforced?
mustn't you have reinforced?
mustn't they have reinforced? 	mustn't I have been reinforcing?
mustn't you have been reinforcing?
mustn't he have been reinforcing?
mustn't we have been reinforcing?
mustn't you have been reinforcing?
mustn't they have been reinforcing?