may frustrate
Verbo regular: frustrate - frustrated- frustrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may frustrate
you may frustrate
he may frustrate
we may frustrate
you may frustrate
they may frustrate 	I may be frustrating
you may be frustrating
he may be frustrating
we may be frustrating
you may be frustrating
they may be frustrating	I may have frustrated
you may have frustrated
he may have frustrated
we may have frustrated
you may have frustrated
they may have frustrated	I may have been frustrating
you may have been frustrating
he may have been frustrating
we may have been frustrating
you may have been frustrating
they may have been frustrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not frustrate
you may not frustrate
he may not frustrate
we may not frustrate
you may not frustrate
they may not frustrate 	I may not be frustrating
you may not be frustrating
he may not be frustrating
we may not be frustrating
you may not be frustrating
they may not be frustrating	I may not have frustrated
you may not have frustrated
he may not have frustrated
we may not have frustrated
you may not have frustrated
they may not have frustrated	I may not have been frustrating
you may not have been frustrating
he may not have been frustrating
we may not have been frustrating
you may not have been frustrating
they may not have been frustrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I frustrate?
may you frustrate?
may he frustrate?
may we frustrate?
may you frustrate?
may they frustrate? 	may I be frustrating?
may you be frustrating?
may he be frustrating?
may we be frustrating?
may you be frustrating?
may they be frustrating? 	may I have frustrated?
may you have frustrated?
may he have frustrated?
may we have frustrated?
may you have frustrated?
may they have frustrated? 	may I have been frustrating?
may you have been frustrating?
may he have been frustrating?
may we have been frustrating?
may you have been frustrating?
may they have been frustrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not frustrate?
may you not frustrate?
may he not frustrate?
may we not frustrate?
may you not frustrate?
may they not frustrate? 	may I not be frustrating?
may you not be frustrating?
may he not be frustrating?
may we not be frustrating?
may you not be frustrating?
may they not be frustrating? 	may I not have frustrated?
may you not have frustrated?
may he not have frustrated?
may we not have frustrated?
may you not have frustrated?
may they not have frustrated? 	may I not have been frustrating?
may you not have been frustrating?
may he not have been frustrating?
may we not have been frustrating?
may you not have been frustrating?
may they not have been frustrating?