English verb conjugation
MUST MURDER

Regular verb: murder - murdered - murdered

Affirmation

Simple form	V-ing form
I must murder you must murder he must murder we must murder you must murder they must murder	I must be murdering you must be murdering he must be murdering we must be murdering you must be murdering they must be murdering
Perfect	V-ing perfect
I must have murdered you must have murdered he must have murdered we must have murdered you must have murdered they must have murdered	I must have been murdering you must have been murdering he must have been murdering we must have been murdering you must have been murdering they must have been murdering

Negation

Simple form	V-ing form
I mustn't murder you mustn't murder he mustn't murder we mustn't murder you mustn't murder they mustn't murder	I mustn't be murdering you mustn't be murdering he mustn't be murdering we mustn't be murdering you mustn't be murdering they mustn't be murdering
Perfect	V-ing perfect
I mustn't have murdered you mustn't have murdered he mustn't have murdered we mustn't have murdered you mustn't have murdered they mustn't have murdered	I mustn't have been murdering you mustn't have been murdering he mustn't have been murdering we mustn't have been murdering you mustn't have been murdering they mustn't have been murdering

Interrogative form

Simple form	V-ing form
must I murder? must you murder? must he murder? must we murder? must you murder? must they murder?	must I be murdering? must you be murdering? must he be murdering? must we be murdering? must you be murdering? must they be murdering?
Perfect	V-ing perfect
must I have murdered? must you have murdered? must he have murdered? must we have murdered? must you have murdered? must they have murdered?	must I have been murdering? must you have been murdering? must he have been murdering? must we have been murdering? must you have been murdering? must they have been murdering?

Interro-negative form

Simple form	V-ing form
mustn't I murder? mustn't you murder? mustn't he murder? mustn't we murder? mustn't you murder? mustn't they murder?	mustn't I be murdering? mustn't you be murdering? mustn't he be murdering? mustn't we be murdering? mustn't you be murdering? mustn't they be murdering?
Perfect	V-ing perfect
mustn't I have murdered? mustn't you have murdered? mustn't he have murdered? mustn't we have murdered? mustn't you have murdered? mustn't they have murdered?	mustn't I have been murdering? mustn't you have been murdering? mustn't he have been murdering? mustn't we have been murdering? mustn't you have been murdering? mustn't they have been murdering?