could frustrate
Verbe régulier : frustrate - frustrated- frustrated
Traduction française : frustrer - contrecarrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could frustrate
you could frustrate
she could frustrate
we could frustrate
you could frustrate
they could frustrate 	I could be frustrating
you could be frustrating
she could be frustrating
we could be frustrating
you could be frustrating
they could be frustrating	I could have frustrated
you could have frustrated
she could have frustrated
we could have frustrated
you could have frustrated
they could have frustrated	I could have been frustrating
you could have been frustrating
she could have been frustrating
we could have been frustrating
you could have been frustrating
they could have been frustrating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not frustrate
you could not frustrate
she could not frustrate
we could not frustrate
you could not frustrate
they could not frustrate 	I could not be frustrating
you could not be frustrating
she could not be frustrating
we could not be frustrating
you could not be frustrating
they could not be frustrating	I could not have frustrated
you could not have frustrated
she could not have frustrated
we could not have frustrated
you could not have frustrated
they could not have frustrated	I could not have been frustrating
you could not have been frustrating
she could not have been frustrating
we could not have been frustrating
you could not have been frustrating
they could not have been frustrating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I frustrate?
could you frustrate?
could she frustrate?
could we frustrate?
could you frustrate?
could they frustrate? 	could I be frustrating?
could you be frustrating?
could she be frustrating?
could we be frustrating?
could you be frustrating?
could they be frustrating? 	could I have frustrated?
could you have frustrated?
could she have frustrated?
could we have frustrated?
could you have frustrated?
could they have frustrated? 	could I have been frustrating?
could you have been frustrating?
could she have been frustrating?
could we have been frustrating?
could you have been frustrating?
could they have been frustrating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not frustrate?
could you not frustrate?
could she not frustrate?
could we not frustrate?
could you not frustrate?
could they not frustrate? 	could I not be frustrating?
could you not be frustrating?
could she not be frustrating?
could we not be frustrating?
could you not be frustrating?
could they not be frustrating? 	could I not have frustrated?
could you not have frustrated?
could she not have frustrated?
could we not have frustrated?
could you not have frustrated?
could they not have frustrated? 	could I not have been frustrating?
could you not have been frustrating?
could she not have been frustrating?
could we not have been frustrating?
could you not have been frustrating?
could they not have been frustrating?