English verb conjugation
MUST IDLE

Regular verb: idle - idled - idled

Affirmation

Simple form	V-ing form
I must idle you must idle he must idle we must idle you must idle they must idle	I must be idling you must be idling he must be idling we must be idling you must be idling they must be idling
Perfect	V-ing perfect
I must have idled you must have idled he must have idled we must have idled you must have idled they must have idled	I must have been idling you must have been idling he must have been idling we must have been idling you must have been idling they must have been idling

Negation

Simple form	V-ing form
I mustn't idle you mustn't idle he mustn't idle we mustn't idle you mustn't idle they mustn't idle	I mustn't be idling you mustn't be idling he mustn't be idling we mustn't be idling you mustn't be idling they mustn't be idling
Perfect	V-ing perfect
I mustn't have idled you mustn't have idled he mustn't have idled we mustn't have idled you mustn't have idled they mustn't have idled	I mustn't have been idling you mustn't have been idling he mustn't have been idling we mustn't have been idling you mustn't have been idling they mustn't have been idling

Interrogative form

Simple form	V-ing form
must I idle? must you idle? must he idle? must we idle? must you idle? must they idle?	must I be idling? must you be idling? must he be idling? must we be idling? must you be idling? must they be idling?
Perfect	V-ing perfect
must I have idled? must you have idled? must he have idled? must we have idled? must you have idled? must they have idled?	must I have been idling? must you have been idling? must he have been idling? must we have been idling? must you have been idling? must they have been idling?

Interro-negative form

Simple form	V-ing form
mustn't I idle? mustn't you idle? mustn't he idle? mustn't we idle? mustn't you idle? mustn't they idle?	mustn't I be idling? mustn't you be idling? mustn't he be idling? mustn't we be idling? mustn't you be idling? mustn't they be idling?
Perfect	V-ing perfect
mustn't I have idled? mustn't you have idled? mustn't he have idled? mustn't we have idled? mustn't you have idled? mustn't they have idled?	mustn't I have been idling? mustn't you have been idling? mustn't he have been idling? mustn't we have been idling? mustn't you have been idling? mustn't they have been idling?