may vacillate
Verbo regular: vacillate - vacillated- vacillated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may vacillate
you may vacillate
she may vacillate
we may vacillate
you may vacillate
they may vacillate 	I may be vacillating
you may be vacillating
she may be vacillating
we may be vacillating
you may be vacillating
they may be vacillating	I may have vacillated
you may have vacillated
she may have vacillated
we may have vacillated
you may have vacillated
they may have vacillated	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not vacillate
you may not vacillate
she may not vacillate
we may not vacillate
you may not vacillate
they may not vacillate 	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	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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I vacillate?
may you vacillate?
may she vacillate?
may we vacillate?
may you vacillate?
may they vacillate? 	may I be vacillating?
may you be vacillating?
may she be vacillating?
may we be vacillating?
may you be vacillating?
may they be vacillating? 	may I have vacillated?
may you have vacillated?
may she have vacillated?
may we have vacillated?
may you have vacillated?
may they have vacillated? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not vacillate?
may you not vacillate?
may she not vacillate?
may we not vacillate?
may you not vacillate?
may they not vacillate? 	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? 	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? 	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?