English verb conjugation
MUST TWILL

Regular verb: twill - twilled - twilled

Affirmation

Simple form	V-ing form
I must twill you must twill he must twill we must twill you must twill they must twill	I must be twilling you must be twilling he must be twilling we must be twilling you must be twilling they must be twilling
Perfect	V-ing perfect
I must have twilled you must have twilled he must have twilled we must have twilled you must have twilled they must have twilled	I must have been twilling you must have been twilling he must have been twilling we must have been twilling you must have been twilling they must have been twilling

Negation

Simple form	V-ing form
I mustn't twill you mustn't twill he mustn't twill we mustn't twill you mustn't twill they mustn't twill	I mustn't be twilling you mustn't be twilling he mustn't be twilling we mustn't be twilling you mustn't be twilling they mustn't be twilling
Perfect	V-ing perfect
I mustn't have twilled you mustn't have twilled he mustn't have twilled we mustn't have twilled you mustn't have twilled they mustn't have twilled	I mustn't have been twilling you mustn't have been twilling he mustn't have been twilling we mustn't have been twilling you mustn't have been twilling they mustn't have been twilling

Interrogative form

Simple form	V-ing form
must I twill? must you twill? must he twill? must we twill? must you twill? must they twill?	must I be twilling? must you be twilling? must he be twilling? must we be twilling? must you be twilling? must they be twilling?
Perfect	V-ing perfect
must I have twilled? must you have twilled? must he have twilled? must we have twilled? must you have twilled? must they have twilled?	must I have been twilling? must you have been twilling? must he have been twilling? must we have been twilling? must you have been twilling? must they have been twilling?

Interro-negative form

Simple form	V-ing form
mustn't I twill? mustn't you twill? mustn't he twill? mustn't we twill? mustn't you twill? mustn't they twill?	mustn't I be twilling? mustn't you be twilling? mustn't he be twilling? mustn't we be twilling? mustn't you be twilling? mustn't they be twilling?
Perfect	V-ing perfect
mustn't I have twilled? mustn't you have twilled? mustn't he have twilled? mustn't we have twilled? mustn't you have twilled? mustn't they have twilled?	mustn't I have been twilling? mustn't you have been twilling? mustn't he have been twilling? mustn't we have been twilling? mustn't you have been twilling? mustn't they have been twilling?