may underachieve
Verbo regular: underachieve - underachieved- underachieved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may underachieve
you may underachieve
he may underachieve
we may underachieve
you may underachieve
they may underachieve 	I may be underachieving
you may be underachieving
he may be underachieving
we may be underachieving
you may be underachieving
they may be underachieving	I may have underachieved
you may have underachieved
he may have underachieved
we may have underachieved
you may have underachieved
they may have underachieved	I may have been underachieving
you may have been underachieving
he may have been underachieving
we may have been underachieving
you may have been underachieving
they may have been underachieving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not underachieve
you may not underachieve
he may not underachieve
we may not underachieve
you may not underachieve
they may not underachieve 	I may not be underachieving
you may not be underachieving
he may not be underachieving
we may not be underachieving
you may not be underachieving
they may not be underachieving	I may not have underachieved
you may not have underachieved
he may not have underachieved
we may not have underachieved
you may not have underachieved
they may not have underachieved	I may not have been underachieving
you may not have been underachieving
he may not have been underachieving
we may not have been underachieving
you may not have been underachieving
they may not have been underachieving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I underachieve?
may you underachieve?
may he underachieve?
may we underachieve?
may you underachieve?
may they underachieve? 	may I be underachieving?
may you be underachieving?
may he be underachieving?
may we be underachieving?
may you be underachieving?
may they be underachieving? 	may I have underachieved?
may you have underachieved?
may he have underachieved?
may we have underachieved?
may you have underachieved?
may they have underachieved? 	may I have been underachieving?
may you have been underachieving?
may he have been underachieving?
may we have been underachieving?
may you have been underachieving?
may they have been underachieving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not underachieve?
may you not underachieve?
may he not underachieve?
may we not underachieve?
may you not underachieve?
may they not underachieve? 	may I not be underachieving?
may you not be underachieving?
may he not be underachieving?
may we not be underachieving?
may you not be underachieving?
may they not be underachieving? 	may I not have underachieved?
may you not have underachieved?
may he not have underachieved?
may we not have underachieved?
may you not have underachieved?
may they not have underachieved? 	may I not have been underachieving?
may you not have been underachieving?
may he not have been underachieving?
may we not have been underachieving?
may you not have been underachieving?
may they not have been underachieving?