English verb conjugation
MUST TWIST

Regular verb: twist - twisted - twisted

Affirmation

Simple form	V-ing form
I must twist you must twist she must twist we must twist you must twist they must twist	I must be twisting you must be twisting she must be twisting we must be twisting you must be twisting they must be twisting
Perfect	V-ing perfect
I must have twisted you must have twisted she must have twisted we must have twisted you must have twisted they must have twisted	I must have been twisting you must have been twisting she must have been twisting we must have been twisting you must have been twisting they must have been twisting

Negation

Simple form	V-ing form
I mustn't twist you mustn't twist she mustn't twist we mustn't twist you mustn't twist they mustn't twist	I mustn't be twisting you mustn't be twisting she mustn't be twisting we mustn't be twisting you mustn't be twisting they mustn't be twisting
Perfect	V-ing perfect
I mustn't have twisted you mustn't have twisted she mustn't have twisted we mustn't have twisted you mustn't have twisted they mustn't have twisted	I mustn't have been twisting you mustn't have been twisting she mustn't have been twisting we mustn't have been twisting you mustn't have been twisting they mustn't have been twisting

Interrogative form

Simple form	V-ing form
must I twist? must you twist? must she twist? must we twist? must you twist? must they twist?	must I be twisting? must you be twisting? must she be twisting? must we be twisting? must you be twisting? must they be twisting?
Perfect	V-ing perfect
must I have twisted? must you have twisted? must she have twisted? must we have twisted? must you have twisted? must they have twisted?	must I have been twisting? must you have been twisting? must she have been twisting? must we have been twisting? must you have been twisting? must they have been twisting?

Interro-negative form

Simple form	V-ing form
mustn't I twist? mustn't you twist? mustn't she twist? mustn't we twist? mustn't you twist? mustn't they twist?	mustn't I be twisting? mustn't you be twisting? mustn't she be twisting? mustn't we be twisting? mustn't you be twisting? mustn't they be twisting?
Perfect	V-ing perfect
mustn't I have twisted? mustn't you have twisted? mustn't she have twisted? mustn't we have twisted? mustn't you have twisted? mustn't they have twisted?	mustn't I have been twisting? mustn't you have been twisting? mustn't she have been twisting? mustn't we have been twisting? mustn't you have been twisting? mustn't they have been twisting?