English verb conjugation
MUST DEVIL

Regular verb: devil - devilled - devilled

Affirmation

Simple form	V-ing form
I must devil you must devil he must devil we must devil you must devil they must devil	I must be devilling you must be devilling he must be devilling we must be devilling you must be devilling they must be devilling
Perfect	V-ing perfect
I must have devilled you must have devilled he must have devilled we must have devilled you must have devilled they must have devilled	I must have been devilling you must have been devilling he must have been devilling we must have been devilling you must have been devilling they must have been devilling

Negation

Simple form	V-ing form
I mustn't devil you mustn't devil he mustn't devil we mustn't devil you mustn't devil they mustn't devil	I mustn't be devilling you mustn't be devilling he mustn't be devilling we mustn't be devilling you mustn't be devilling they mustn't be devilling
Perfect	V-ing perfect
I mustn't have devilled you mustn't have devilled he mustn't have devilled we mustn't have devilled you mustn't have devilled they mustn't have devilled	I mustn't have been devilling you mustn't have been devilling he mustn't have been devilling we mustn't have been devilling you mustn't have been devilling they mustn't have been devilling

Interrogative form

Simple form	V-ing form
must I devil? must you devil? must he devil? must we devil? must you devil? must they devil?	must I be devilling? must you be devilling? must he be devilling? must we be devilling? must you be devilling? must they be devilling?
Perfect	V-ing perfect
must I have devilled? must you have devilled? must he have devilled? must we have devilled? must you have devilled? must they have devilled?	must I have been devilling? must you have been devilling? must he have been devilling? must we have been devilling? must you have been devilling? must they have been devilling?

Interro-negative form

Simple form	V-ing form
mustn't I devil? mustn't you devil? mustn't he devil? mustn't we devil? mustn't you devil? mustn't they devil?	mustn't I be devilling? mustn't you be devilling? mustn't he be devilling? mustn't we be devilling? mustn't you be devilling? mustn't they be devilling?
Perfect	V-ing perfect
mustn't I have devilled? mustn't you have devilled? mustn't he have devilled? mustn't we have devilled? mustn't you have devilled? mustn't they have devilled?	mustn't I have been devilling? mustn't you have been devilling? mustn't he have been devilling? mustn't we have been devilling? mustn't you have been devilling? mustn't they have been devilling?