should frustrate
Verbo regular: frustrate - frustrated- frustrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should frustrate
you should frustrate
he should frustrate
we should frustrate
you should frustrate
they should frustrate 	I should be frustrating
you should be frustrating
he should be frustrating
we should be frustrating
you should be frustrating
they should be frustrating	I should have frustrated
you should have frustrated
he should have frustrated
we should have frustrated
you should have frustrated
they should have frustrated	I should have been frustrating
you should have been frustrating
he should have been frustrating
we should have been frustrating
you should have been frustrating
they should have been frustrating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not frustrate
you should not frustrate
he should not frustrate
we should not frustrate
you should not frustrate
they should not frustrate 	I should not be frustrating
you should not be frustrating
he should not be frustrating
we should not be frustrating
you should not be frustrating
they should not be frustrating	I should not have frustrated
you should not have frustrated
he should not have frustrated
we should not have frustrated
you should not have frustrated
they should not have frustrated	I should not have been frustrating
you should not have been frustrating
he should not have been frustrating
we should not have been frustrating
you should not have been frustrating
they should not have been frustrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I frustrate?
should you frustrate?
should he frustrate?
should we frustrate?
should you frustrate?
should they frustrate? 	should I be frustrating?
should you be frustrating?
should he be frustrating?
should we be frustrating?
should you be frustrating?
should they be frustrating? 	should I have frustrated?
should you have frustrated?
should he have frustrated?
should we have frustrated?
should you have frustrated?
should they have frustrated? 	should I have been frustrating?
should you have been frustrating?
should he have been frustrating?
should we have been frustrating?
should you have been frustrating?
should they have been frustrating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not frustrate?
should you not frustrate?
should he not frustrate?
should we not frustrate?
should you not frustrate?
should they not frustrate? 	should I not be frustrating?
should you not be frustrating?
should he not be frustrating?
should we not be frustrating?
should you not be frustrating?
should they not be frustrating? 	should I not have frustrated?
should you not have frustrated?
should he not have frustrated?
should we not have frustrated?
should you not have frustrated?
should they not have frustrated? 	should I not have been frustrating?
should you not have been frustrating?
should he not have been frustrating?
should we not have been frustrating?
should you not have been frustrating?
should they not have been frustrating?