must temper
Regular verb: temper - tempered- tempered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must temper
you must temper
he must temper
we must temper
you must temper
they must temper 	I must be tempering
you must be tempering
he must be tempering
we must be tempering
you must be tempering
they must be tempering	I must have tempered
you must have tempered
he must have tempered
we must have tempered
you must have tempered
they must have tempered	I must have been tempering
you must have been tempering
he must have been tempering
we must have been tempering
you must have been tempering
they must have been tempering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't temper
you mustn't temper
he mustn't temper
we mustn't temper
you mustn't temper
they mustn't temper 	I mustn't be tempering
you mustn't be tempering
he mustn't be tempering
we mustn't be tempering
you mustn't be tempering
they mustn't be tempering	I mustn't have tempered
you mustn't have tempered
he mustn't have tempered
we mustn't have tempered
you mustn't have tempered
they mustn't have tempered	I mustn't have been tempering
you mustn't have been tempering
he mustn't have been tempering
we mustn't have been tempering
you mustn't have been tempering
they mustn't have been tempering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I temper?
must you temper?
must he temper?
must we temper?
must you temper?
must they temper? 	must I be tempering?
must you be tempering?
must he be tempering?
must we be tempering?
must you be tempering?
must they be tempering? 	must I have tempered?
must you have tempered?
must he have tempered?
must we have tempered?
must you have tempered?
must they have tempered? 	must I have been tempering?
must you have been tempering?
must he have been tempering?
must we have been tempering?
must you have been tempering?
must they have been tempering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I temper?
mustn't you temper?
mustn't he temper?
mustn't we temper?
mustn't you temper?
mustn't they temper? 	mustn't I be tempering?
mustn't you be tempering?
mustn't he be tempering?
mustn't we be tempering?
mustn't you be tempering?
mustn't they be tempering? 	mustn't I have tempered?
mustn't you have tempered?
mustn't he have tempered?
mustn't we have tempered?
mustn't you have tempered?
mustn't they have tempered? 	mustn't I have been tempering?
mustn't you have been tempering?
mustn't he have been tempering?
mustn't we have been tempering?
mustn't you have been tempering?
mustn't they have been tempering?