may frustrate
Verbo regular: frustrate - frustrated- frustrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't frustrate
you mayn't frustrate
he mayn't frustrate
we mayn't frustrate
you mayn't frustrate
they mayn't frustrate 	I mayn't be frustrating
you mayn't be frustrating
he mayn't be frustrating
we mayn't be frustrating
you mayn't be frustrating
they mayn't be frustrating	I mayn't have frustrated
you mayn't have frustrated
he mayn't have frustrated
we mayn't have frustrated
you mayn't have frustrated
they mayn't have frustrated	I mayn't have been frustrating
you mayn't have been frustrating
he mayn't have been frustrating
we mayn't have been frustrating
you mayn't have been frustrating
they mayn't have been frustrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I frustrate?
mayn't you frustrate?
mayn't he frustrate?
mayn't we frustrate?
mayn't you frustrate?
mayn't they frustrate? 	mayn't I be frustrating?
mayn't you be frustrating?
mayn't he be frustrating?
mayn't we be frustrating?
mayn't you be frustrating?
mayn't they be frustrating? 	mayn't I have frustrated?
mayn't you have frustrated?
mayn't he have frustrated?
mayn't we have frustrated?
mayn't you have frustrated?
mayn't they have frustrated? 	mayn't I have been frustrating?
mayn't you have been frustrating?
mayn't he have been frustrating?
mayn't we have been frustrating?
mayn't you have been frustrating?
mayn't they have been frustrating?