English verb conjugation
MUST HANDLE

Regular verb: handle - handled - handled

Affirmation

Simple form	V-ing form
I must handle you must handle he must handle we must handle you must handle they must handle	I must be handling you must be handling he must be handling we must be handling you must be handling they must be handling
Perfect	V-ing perfect
I must have handled you must have handled he must have handled we must have handled you must have handled they must have handled	I must have been handling you must have been handling he must have been handling we must have been handling you must have been handling they must have been handling

Negation

Simple form	V-ing form
I mustn't handle you mustn't handle he mustn't handle we mustn't handle you mustn't handle they mustn't handle	I mustn't be handling you mustn't be handling he mustn't be handling we mustn't be handling you mustn't be handling they mustn't be handling
Perfect	V-ing perfect
I mustn't have handled you mustn't have handled he mustn't have handled we mustn't have handled you mustn't have handled they mustn't have handled	I mustn't have been handling you mustn't have been handling he mustn't have been handling we mustn't have been handling you mustn't have been handling they mustn't have been handling

Interrogative form

Simple form	V-ing form
must I handle? must you handle? must he handle? must we handle? must you handle? must they handle?	must I be handling? must you be handling? must he be handling? must we be handling? must you be handling? must they be handling?
Perfect	V-ing perfect
must I have handled? must you have handled? must he have handled? must we have handled? must you have handled? must they have handled?	must I have been handling? must you have been handling? must he have been handling? must we have been handling? must you have been handling? must they have been handling?

Interro-negative form

Simple form	V-ing form
mustn't I handle? mustn't you handle? mustn't he handle? mustn't we handle? mustn't you handle? mustn't they handle?	mustn't I be handling? mustn't you be handling? mustn't he be handling? mustn't we be handling? mustn't you be handling? mustn't they be handling?
Perfect	V-ing perfect
mustn't I have handled? mustn't you have handled? mustn't he have handled? mustn't we have handled? mustn't you have handled? mustn't they have handled?	mustn't I have been handling? mustn't you have been handling? mustn't he have been handling? mustn't we have been handling? mustn't you have been handling? mustn't they have been handling?