may drain
Verbo regular: drain - drained- drained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may drain
you may drain
she may drain
we may drain
you may drain
they may drain 	I may be draining
you may be draining
she may be draining
we may be draining
you may be draining
they may be draining	I may have drained
you may have drained
she may have drained
we may have drained
you may have drained
they may have drained	I may have been draining
you may have been draining
she may have been draining
we may have been draining
you may have been draining
they may have been draining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not drain
you may not drain
she may not drain
we may not drain
you may not drain
they may not drain 	I may not be draining
you may not be draining
she may not be draining
we may not be draining
you may not be draining
they may not be draining	I may not have drained
you may not have drained
she may not have drained
we may not have drained
you may not have drained
they may not have drained	I may not have been draining
you may not have been draining
she may not have been draining
we may not have been draining
you may not have been draining
they may not have been draining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I drain?
may you drain?
may she drain?
may we drain?
may you drain?
may they drain? 	may I be draining?
may you be draining?
may she be draining?
may we be draining?
may you be draining?
may they be draining? 	may I have drained?
may you have drained?
may she have drained?
may we have drained?
may you have drained?
may they have drained? 	may I have been draining?
may you have been draining?
may she have been draining?
may we have been draining?
may you have been draining?
may they have been draining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not drain?
may you not drain?
may she not drain?
may we not drain?
may you not drain?
may they not drain? 	may I not be draining?
may you not be draining?
may she not be draining?
may we not be draining?
may you not be draining?
may they not be draining? 	may I not have drained?
may you not have drained?
may she not have drained?
may we not have drained?
may you not have drained?
may they not have drained? 	may I not have been draining?
may you not have been draining?
may she not have been draining?
may we not have been draining?
may you not have been draining?
may they not have been draining?