English verb conjugation
MUST VACILLATE

Regular verb: vacillate - vacillated - vacillated

Affirmation

Simple form	V-ing form
I must vacillate you must vacillate she must vacillate we must vacillate you must vacillate they must vacillate	I must be vacillating you must be vacillating she must be vacillating we must be vacillating you must be vacillating they must be vacillating
Perfect	V-ing perfect
I must have vacillated you must have vacillated she must have vacillated we must have vacillated you must have vacillated they must have vacillated	I must have been vacillating you must have been vacillating she must have been vacillating we must have been vacillating you must have been vacillating they must have been vacillating

Negation

Simple form	V-ing form
I mustn't vacillate you mustn't vacillate she mustn't vacillate we mustn't vacillate you mustn't vacillate they mustn't vacillate	I mustn't be vacillating you mustn't be vacillating she mustn't be vacillating we mustn't be vacillating you mustn't be vacillating they mustn't be vacillating
Perfect	V-ing perfect
I mustn't have vacillated you mustn't have vacillated she mustn't have vacillated we mustn't have vacillated you mustn't have vacillated they mustn't have vacillated	I mustn't have been vacillating you mustn't have been vacillating she mustn't have been vacillating we mustn't have been vacillating you mustn't have been vacillating they mustn't have been vacillating

Interrogative form

Simple form	V-ing form
must I vacillate? must you vacillate? must she vacillate? must we vacillate? must you vacillate? must they vacillate?	must I be vacillating? must you be vacillating? must she be vacillating? must we be vacillating? must you be vacillating? must they be vacillating?
Perfect	V-ing perfect
must I have vacillated? must you have vacillated? must she have vacillated? must we have vacillated? must you have vacillated? must they have vacillated?	must I have been vacillating? must you have been vacillating? must she have been vacillating? must we have been vacillating? must you have been vacillating? must they have been vacillating?

Interro-negative form

Simple form	V-ing form
mustn't I vacillate? mustn't you vacillate? mustn't she vacillate? mustn't we vacillate? mustn't you vacillate? mustn't they vacillate?	mustn't I be vacillating? mustn't you be vacillating? mustn't she be vacillating? mustn't we be vacillating? mustn't you be vacillating? mustn't they be vacillating?
Perfect	V-ing perfect
mustn't I have vacillated? mustn't you have vacillated? mustn't she have vacillated? mustn't we have vacillated? mustn't you have vacillated? mustn't they have vacillated?	mustn't I have been vacillating? mustn't you have been vacillating? mustn't she have been vacillating? mustn't we have been vacillating? mustn't you have been vacillating? mustn't they have been vacillating?