must superintend
Regular verb: superintend - superintended- superintended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must superintend
you must superintend
he must superintend
we must superintend
you must superintend
they must superintend 	I must be superintending
you must be superintending
he must be superintending
we must be superintending
you must be superintending
they must be superintending	I must have superintended
you must have superintended
he must have superintended
we must have superintended
you must have superintended
they must have superintended	I must have been superintending
you must have been superintending
he must have been superintending
we must have been superintending
you must have been superintending
they must have been superintending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't superintend
you mustn't superintend
he mustn't superintend
we mustn't superintend
you mustn't superintend
they mustn't superintend 	I mustn't be superintending
you mustn't be superintending
he mustn't be superintending
we mustn't be superintending
you mustn't be superintending
they mustn't be superintending	I mustn't have superintended
you mustn't have superintended
he mustn't have superintended
we mustn't have superintended
you mustn't have superintended
they mustn't have superintended	I mustn't have been superintending
you mustn't have been superintending
he mustn't have been superintending
we mustn't have been superintending
you mustn't have been superintending
they mustn't have been superintending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I superintend?
must you superintend?
must he superintend?
must we superintend?
must you superintend?
must they superintend? 	must I be superintending?
must you be superintending?
must he be superintending?
must we be superintending?
must you be superintending?
must they be superintending? 	must I have superintended?
must you have superintended?
must he have superintended?
must we have superintended?
must you have superintended?
must they have superintended? 	must I have been superintending?
must you have been superintending?
must he have been superintending?
must we have been superintending?
must you have been superintending?
must they have been superintending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I superintend?
mustn't you superintend?
mustn't he superintend?
mustn't we superintend?
mustn't you superintend?
mustn't they superintend? 	mustn't I be superintending?
mustn't you be superintending?
mustn't he be superintending?
mustn't we be superintending?
mustn't you be superintending?
mustn't they be superintending? 	mustn't I have superintended?
mustn't you have superintended?
mustn't he have superintended?
mustn't we have superintended?
mustn't you have superintended?
mustn't they have superintended? 	mustn't I have been superintending?
mustn't you have been superintending?
mustn't he have been superintending?
mustn't we have been superintending?
mustn't you have been superintending?
mustn't they have been superintending?