must expectorate
Regular verb: expectorate - expectorated- expectorated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must expectorate
you must expectorate
he must expectorate
we must expectorate
you must expectorate
they must expectorate 	I must be expectorating
you must be expectorating
he must be expectorating
we must be expectorating
you must be expectorating
they must be expectorating	I must have expectorated
you must have expectorated
he must have expectorated
we must have expectorated
you must have expectorated
they must have expectorated	I must have been expectorating
you must have been expectorating
he must have been expectorating
we must have been expectorating
you must have been expectorating
they must have been expectorating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't expectorate
you mustn't expectorate
he mustn't expectorate
we mustn't expectorate
you mustn't expectorate
they mustn't expectorate 	I mustn't be expectorating
you mustn't be expectorating
he mustn't be expectorating
we mustn't be expectorating
you mustn't be expectorating
they mustn't be expectorating	I mustn't have expectorated
you mustn't have expectorated
he mustn't have expectorated
we mustn't have expectorated
you mustn't have expectorated
they mustn't have expectorated	I mustn't have been expectorating
you mustn't have been expectorating
he mustn't have been expectorating
we mustn't have been expectorating
you mustn't have been expectorating
they mustn't have been expectorating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I expectorate?
must you expectorate?
must he expectorate?
must we expectorate?
must you expectorate?
must they expectorate? 	must I be expectorating?
must you be expectorating?
must he be expectorating?
must we be expectorating?
must you be expectorating?
must they be expectorating? 	must I have expectorated?
must you have expectorated?
must he have expectorated?
must we have expectorated?
must you have expectorated?
must they have expectorated? 	must I have been expectorating?
must you have been expectorating?
must he have been expectorating?
must we have been expectorating?
must you have been expectorating?
must they have been expectorating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I expectorate?
mustn't you expectorate?
mustn't he expectorate?
mustn't we expectorate?
mustn't you expectorate?
mustn't they expectorate? 	mustn't I be expectorating?
mustn't you be expectorating?
mustn't he be expectorating?
mustn't we be expectorating?
mustn't you be expectorating?
mustn't they be expectorating? 	mustn't I have expectorated?
mustn't you have expectorated?
mustn't he have expectorated?
mustn't we have expectorated?
mustn't you have expectorated?
mustn't they have expectorated? 	mustn't I have been expectorating?
mustn't you have been expectorating?
mustn't he have been expectorating?
mustn't we have been expectorating?
mustn't you have been expectorating?
mustn't they have been expectorating?