may attain
Verbo regular: attain - attained- attained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may attain
you may attain
he may attain
we may attain
you may attain
they may attain 	I may be attaining
you may be attaining
he may be attaining
we may be attaining
you may be attaining
they may be attaining	I may have attained
you may have attained
he may have attained
we may have attained
you may have attained
they may have attained	I may have been attaining
you may have been attaining
he may have been attaining
we may have been attaining
you may have been attaining
they may have been attaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not attain
you may not attain
he may not attain
we may not attain
you may not attain
they may not attain 	I may not be attaining
you may not be attaining
he may not be attaining
we may not be attaining
you may not be attaining
they may not be attaining	I may not have attained
you may not have attained
he may not have attained
we may not have attained
you may not have attained
they may not have attained	I may not have been attaining
you may not have been attaining
he may not have been attaining
we may not have been attaining
you may not have been attaining
they may not have been attaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I attain?
may you attain?
may he attain?
may we attain?
may you attain?
may they attain? 	may I be attaining?
may you be attaining?
may he be attaining?
may we be attaining?
may you be attaining?
may they be attaining? 	may I have attained?
may you have attained?
may he have attained?
may we have attained?
may you have attained?
may they have attained? 	may I have been attaining?
may you have been attaining?
may he have been attaining?
may we have been attaining?
may you have been attaining?
may they have been attaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not attain?
may you not attain?
may he not attain?
may we not attain?
may you not attain?
may they not attain? 	may I not be attaining?
may you not be attaining?
may he not be attaining?
may we not be attaining?
may you not be attaining?
may they not be attaining? 	may I not have attained?
may you not have attained?
may he not have attained?
may we not have attained?
may you not have attained?
may they not have attained? 	may I not have been attaining?
may you not have been attaining?
may he not have been attaining?
may we not have been attaining?
may you not have been attaining?
may they not have been attaining?