may vacuum
Verbo regular: vacuum - vacuumed- vacuumed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may vacuum
you may vacuum
he may vacuum
we may vacuum
you may vacuum
they may vacuum 	I may be vacuuming
you may be vacuuming
he may be vacuuming
we may be vacuuming
you may be vacuuming
they may be vacuuming	I may have vacuumed
you may have vacuumed
he may have vacuumed
we may have vacuumed
you may have vacuumed
they may have vacuumed	I may have been vacuuming
you may have been vacuuming
he may have been vacuuming
we may have been vacuuming
you may have been vacuuming
they may have been vacuuming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not vacuum
you may not vacuum
he may not vacuum
we may not vacuum
you may not vacuum
they may not vacuum 	I may not be vacuuming
you may not be vacuuming
he may not be vacuuming
we may not be vacuuming
you may not be vacuuming
they may not be vacuuming	I may not have vacuumed
you may not have vacuumed
he may not have vacuumed
we may not have vacuumed
you may not have vacuumed
they may not have vacuumed	I may not have been vacuuming
you may not have been vacuuming
he may not have been vacuuming
we may not have been vacuuming
you may not have been vacuuming
they may not have been vacuuming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I vacuum?
may you vacuum?
may he vacuum?
may we vacuum?
may you vacuum?
may they vacuum? 	may I be vacuuming?
may you be vacuuming?
may he be vacuuming?
may we be vacuuming?
may you be vacuuming?
may they be vacuuming? 	may I have vacuumed?
may you have vacuumed?
may he have vacuumed?
may we have vacuumed?
may you have vacuumed?
may they have vacuumed? 	may I have been vacuuming?
may you have been vacuuming?
may he have been vacuuming?
may we have been vacuuming?
may you have been vacuuming?
may they have been vacuuming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not vacuum?
may you not vacuum?
may he not vacuum?
may we not vacuum?
may you not vacuum?
may they not vacuum? 	may I not be vacuuming?
may you not be vacuuming?
may he not be vacuuming?
may we not be vacuuming?
may you not be vacuuming?
may they not be vacuuming? 	may I not have vacuumed?
may you not have vacuumed?
may he not have vacuumed?
may we not have vacuumed?
may you not have vacuumed?
may they not have vacuumed? 	may I not have been vacuuming?
may you not have been vacuuming?
may he not have been vacuuming?
may we not have been vacuuming?
may you not have been vacuuming?
may they not have been vacuuming?