must devaluate
Regular verb: devaluate - devaluated- devaluated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must devaluate
you must devaluate
he must devaluate
we must devaluate
you must devaluate
they must devaluate 	I must be devaluating
you must be devaluating
he must be devaluating
we must be devaluating
you must be devaluating
they must be devaluating	I must have devaluated
you must have devaluated
he must have devaluated
we must have devaluated
you must have devaluated
they must have devaluated	I must have been devaluating
you must have been devaluating
he must have been devaluating
we must have been devaluating
you must have been devaluating
they must have been devaluating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not devaluate
you must not devaluate
he must not devaluate
we must not devaluate
you must not devaluate
they must not devaluate 	I must not be devaluating
you must not be devaluating
he must not be devaluating
we must not be devaluating
you must not be devaluating
they must not be devaluating	I must not have devaluated
you must not have devaluated
he must not have devaluated
we must not have devaluated
you must not have devaluated
they must not have devaluated	I must not have been devaluating
you must not have been devaluating
he must not have been devaluating
we must not have been devaluating
you must not have been devaluating
they must not have been devaluating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I devaluate?
must you devaluate?
must he devaluate?
must we devaluate?
must you devaluate?
must they devaluate? 	must I be devaluating?
must you be devaluating?
must he be devaluating?
must we be devaluating?
must you be devaluating?
must they be devaluating? 	must I have devaluated?
must you have devaluated?
must he have devaluated?
must we have devaluated?
must you have devaluated?
must they have devaluated? 	must I have been devaluating?
must you have been devaluating?
must he have been devaluating?
must we have been devaluating?
must you have been devaluating?
must they have been devaluating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not devaluate?
must you not devaluate?
must he not devaluate?
must we not devaluate?
must you not devaluate?
must they not devaluate? 	must I not be devaluating?
must you not be devaluating?
must he not be devaluating?
must we not be devaluating?
must you not be devaluating?
must they not be devaluating? 	must I not have devaluated?
must you not have devaluated?
must he not have devaluated?
must we not have devaluated?
must you not have devaluated?
must they not have devaluated? 	must I not have been devaluating?
must you not have been devaluating?
must he not have been devaluating?
must we not have been devaluating?
must you not have been devaluating?
must they not have been devaluating?