must commend
Regular verb: commend - commended- commended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must commend
you must commend
he must commend
we must commend
you must commend
they must commend 	I must be commending
you must be commending
he must be commending
we must be commending
you must be commending
they must be commending	I must have commended
you must have commended
he must have commended
we must have commended
you must have commended
they must have commended	I must have been commending
you must have been commending
he must have been commending
we must have been commending
you must have been commending
they must have been commending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't commend
you mustn't commend
he mustn't commend
we mustn't commend
you mustn't commend
they mustn't commend 	I mustn't be commending
you mustn't be commending
he mustn't be commending
we mustn't be commending
you mustn't be commending
they mustn't be commending	I mustn't have commended
you mustn't have commended
he mustn't have commended
we mustn't have commended
you mustn't have commended
they mustn't have commended	I mustn't have been commending
you mustn't have been commending
he mustn't have been commending
we mustn't have been commending
you mustn't have been commending
they mustn't have been commending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I commend?
must you commend?
must he commend?
must we commend?
must you commend?
must they commend? 	must I be commending?
must you be commending?
must he be commending?
must we be commending?
must you be commending?
must they be commending? 	must I have commended?
must you have commended?
must he have commended?
must we have commended?
must you have commended?
must they have commended? 	must I have been commending?
must you have been commending?
must he have been commending?
must we have been commending?
must you have been commending?
must they have been commending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I commend?
mustn't you commend?
mustn't he commend?
mustn't we commend?
mustn't you commend?
mustn't they commend? 	mustn't I be commending?
mustn't you be commending?
mustn't he be commending?
mustn't we be commending?
mustn't you be commending?
mustn't they be commending? 	mustn't I have commended?
mustn't you have commended?
mustn't he have commended?
mustn't we have commended?
mustn't you have commended?
mustn't they have commended? 	mustn't I have been commending?
mustn't you have been commending?
mustn't he have been commending?
mustn't we have been commending?
mustn't you have been commending?
mustn't they have been commending?