must overstate
Regular verb: overstate - overstated- overstated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overstate
you must overstate
she must overstate
we must overstate
you must overstate
they must overstate 	I must be overstating
you must be overstating
she must be overstating
we must be overstating
you must be overstating
they must be overstating	I must have overstated
you must have overstated
she must have overstated
we must have overstated
you must have overstated
they must have overstated	I must have been overstating
you must have been overstating
she must have been overstating
we must have been overstating
you must have been overstating
they must have been overstating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't overstate
you mustn't overstate
she mustn't overstate
we mustn't overstate
you mustn't overstate
they mustn't overstate 	I mustn't be overstating
you mustn't be overstating
she mustn't be overstating
we mustn't be overstating
you mustn't be overstating
they mustn't be overstating	I mustn't have overstated
you mustn't have overstated
she mustn't have overstated
we mustn't have overstated
you mustn't have overstated
they mustn't have overstated	I mustn't have been overstating
you mustn't have been overstating
she mustn't have been overstating
we mustn't have been overstating
you mustn't have been overstating
they mustn't have been overstating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overstate?
must you overstate?
must she overstate?
must we overstate?
must you overstate?
must they overstate? 	must I be overstating?
must you be overstating?
must she be overstating?
must we be overstating?
must you be overstating?
must they be overstating? 	must I have overstated?
must you have overstated?
must she have overstated?
must we have overstated?
must you have overstated?
must they have overstated? 	must I have been overstating?
must you have been overstating?
must she have been overstating?
must we have been overstating?
must you have been overstating?
must they have been overstating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I overstate?
mustn't you overstate?
mustn't she overstate?
mustn't we overstate?
mustn't you overstate?
mustn't they overstate? 	mustn't I be overstating?
mustn't you be overstating?
mustn't she be overstating?
mustn't we be overstating?
mustn't you be overstating?
mustn't they be overstating? 	mustn't I have overstated?
mustn't you have overstated?
mustn't she have overstated?
mustn't we have overstated?
mustn't you have overstated?
mustn't they have overstated? 	mustn't I have been overstating?
mustn't you have been overstating?
mustn't she have been overstating?
mustn't we have been overstating?
mustn't you have been overstating?
mustn't they have been overstating?