Conjugação do verbo inglês
COULD FRUSTRATE

Verbo regular: frustrate - frustrated - frustrated

Afirmação

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

Negação

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

Forma interrogativa

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

Forma interro-Negação

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