I may vacillate you may vacillate she may vacillate we may vacillate you may vacillate they may vacillate
V-ing form
I may be vacillating you may be vacillating she may be vacillating we may be vacillating you may be vacillating they may be vacillating
Perfect
I may have vacillated you may have vacillated she may have vacillated we may have vacillated you may have vacillated they may have vacillated
V-ing perfect
I may have been vacillating you may have been vacillating she may have been vacillating we may have been vacillating you may have been vacillating they may have been vacillating
Negation
Simple form
I may not vacillate you may not vacillate she may not vacillate we may not vacillate you may not vacillate they may not vacillate
V-ing form
I may not be vacillating you may not be vacillating she may not be vacillating we may not be vacillating you may not be vacillating they may not be vacillating
Perfect
I may not have vacillated you may not have vacillated she may not have vacillated we may not have vacillated you may not have vacillated they may not have vacillated
V-ing perfect
I may not have been vacillating you may not have been vacillating she may not have been vacillating we may not have been vacillating you may not have been vacillating they may not have been vacillating
Interrogative form
Simple form
may I vacillate? may you vacillate? may she vacillate? may we vacillate? may you vacillate? may they vacillate?
V-ing form
may I be vacillating? may you be vacillating? may she be vacillating? may we be vacillating? may you be vacillating? may they be vacillating?
Perfect
may I have vacillated? may you have vacillated? may she have vacillated? may we have vacillated? may you have vacillated? may they have vacillated?
V-ing perfect
may I have been vacillating? may you have been vacillating? may she have been vacillating? may we have been vacillating? may you have been vacillating? may they have been vacillating?
Interro-negative form
Simple form
may I not vacillate? may you not vacillate? may she not vacillate? may we not vacillate? may you not vacillate? may they not vacillate?
V-ing form
may I not be vacillating? may you not be vacillating? may she not be vacillating? may we not be vacillating? may you not be vacillating? may they not be vacillating?
Perfect
may I not have vacillated? may you not have vacillated? may she not have vacillated? may we not have vacillated? may you not have vacillated? may they not have vacillated?
V-ing perfect
may I not have been vacillating? may you not have been vacillating? may she not have been vacillating? may we not have been vacillating? may you not have been vacillating? may they not have been vacillating?