must insufflate
Regular verb: insufflate - insufflated- insufflated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must insufflate
you must insufflate
he must insufflate
we must insufflate
you must insufflate
they must insufflate 	I must be insufflating
you must be insufflating
he must be insufflating
we must be insufflating
you must be insufflating
they must be insufflating	I must have insufflated
you must have insufflated
he must have insufflated
we must have insufflated
you must have insufflated
they must have insufflated	I must have been insufflating
you must have been insufflating
he must have been insufflating
we must have been insufflating
you must have been insufflating
they must have been insufflating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't insufflate
you mustn't insufflate
he mustn't insufflate
we mustn't insufflate
you mustn't insufflate
they mustn't insufflate 	I mustn't be insufflating
you mustn't be insufflating
he mustn't be insufflating
we mustn't be insufflating
you mustn't be insufflating
they mustn't be insufflating	I mustn't have insufflated
you mustn't have insufflated
he mustn't have insufflated
we mustn't have insufflated
you mustn't have insufflated
they mustn't have insufflated	I mustn't have been insufflating
you mustn't have been insufflating
he mustn't have been insufflating
we mustn't have been insufflating
you mustn't have been insufflating
they mustn't have been insufflating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I insufflate?
must you insufflate?
must he insufflate?
must we insufflate?
must you insufflate?
must they insufflate? 	must I be insufflating?
must you be insufflating?
must he be insufflating?
must we be insufflating?
must you be insufflating?
must they be insufflating? 	must I have insufflated?
must you have insufflated?
must he have insufflated?
must we have insufflated?
must you have insufflated?
must they have insufflated? 	must I have been insufflating?
must you have been insufflating?
must he have been insufflating?
must we have been insufflating?
must you have been insufflating?
must they have been insufflating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I insufflate?
mustn't you insufflate?
mustn't he insufflate?
mustn't we insufflate?
mustn't you insufflate?
mustn't they insufflate? 	mustn't I be insufflating?
mustn't you be insufflating?
mustn't he be insufflating?
mustn't we be insufflating?
mustn't you be insufflating?
mustn't they be insufflating? 	mustn't I have insufflated?
mustn't you have insufflated?
mustn't he have insufflated?
mustn't we have insufflated?
mustn't you have insufflated?
mustn't they have insufflated? 	mustn't I have been insufflating?
mustn't you have been insufflating?
mustn't he have been insufflating?
mustn't we have been insufflating?
mustn't you have been insufflating?
mustn't they have been insufflating?