must asseverate
Regular verb: asseverate - asseverated- asseverated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must asseverate
you must asseverate
he must asseverate
we must asseverate
you must asseverate
they must asseverate 	I must be asseverating
you must be asseverating
he must be asseverating
we must be asseverating
you must be asseverating
they must be asseverating	I must have asseverated
you must have asseverated
he must have asseverated
we must have asseverated
you must have asseverated
they must have asseverated	I must have been asseverating
you must have been asseverating
he must have been asseverating
we must have been asseverating
you must have been asseverating
they must have been asseverating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't asseverate
you mustn't asseverate
he mustn't asseverate
we mustn't asseverate
you mustn't asseverate
they mustn't asseverate 	I mustn't be asseverating
you mustn't be asseverating
he mustn't be asseverating
we mustn't be asseverating
you mustn't be asseverating
they mustn't be asseverating	I mustn't have asseverated
you mustn't have asseverated
he mustn't have asseverated
we mustn't have asseverated
you mustn't have asseverated
they mustn't have asseverated	I mustn't have been asseverating
you mustn't have been asseverating
he mustn't have been asseverating
we mustn't have been asseverating
you mustn't have been asseverating
they mustn't have been asseverating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I asseverate?
must you asseverate?
must he asseverate?
must we asseverate?
must you asseverate?
must they asseverate? 	must I be asseverating?
must you be asseverating?
must he be asseverating?
must we be asseverating?
must you be asseverating?
must they be asseverating? 	must I have asseverated?
must you have asseverated?
must he have asseverated?
must we have asseverated?
must you have asseverated?
must they have asseverated? 	must I have been asseverating?
must you have been asseverating?
must he have been asseverating?
must we have been asseverating?
must you have been asseverating?
must they have been asseverating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I asseverate?
mustn't you asseverate?
mustn't he asseverate?
mustn't we asseverate?
mustn't you asseverate?
mustn't they asseverate? 	mustn't I be asseverating?
mustn't you be asseverating?
mustn't he be asseverating?
mustn't we be asseverating?
mustn't you be asseverating?
mustn't they be asseverating? 	mustn't I have asseverated?
mustn't you have asseverated?
mustn't he have asseverated?
mustn't we have asseverated?
mustn't you have asseverated?
mustn't they have asseverated? 	mustn't I have been asseverating?
mustn't you have been asseverating?
mustn't he have been asseverating?
mustn't we have been asseverating?
mustn't you have been asseverating?
mustn't they have been asseverating?