could impinge
Verbo regular: impinge - impinged- impinged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could impinge
you could impinge
he could impinge
we could impinge
you could impinge
they could impinge 	I could be impinging
you could be impinging
he could be impinging
we could be impinging
you could be impinging
they could be impinging	I could have impinged
you could have impinged
he could have impinged
we could have impinged
you could have impinged
they could have impinged	I could have been impinging
you could have been impinging
he could have been impinging
we could have been impinging
you could have been impinging
they could have been impinging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not impinge
you could not impinge
he could not impinge
we could not impinge
you could not impinge
they could not impinge 	I could not be impinging
you could not be impinging
he could not be impinging
we could not be impinging
you could not be impinging
they could not be impinging	I could not have impinged
you could not have impinged
he could not have impinged
we could not have impinged
you could not have impinged
they could not have impinged	I could not have been impinging
you could not have been impinging
he could not have been impinging
we could not have been impinging
you could not have been impinging
they could not have been impinging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I impinge?
could you impinge?
could he impinge?
could we impinge?
could you impinge?
could they impinge? 	could I be impinging?
could you be impinging?
could he be impinging?
could we be impinging?
could you be impinging?
could they be impinging? 	could I have impinged?
could you have impinged?
could he have impinged?
could we have impinged?
could you have impinged?
could they have impinged? 	could I have been impinging?
could you have been impinging?
could he have been impinging?
could we have been impinging?
could you have been impinging?
could they have been impinging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not impinge?
could you not impinge?
could he not impinge?
could we not impinge?
could you not impinge?
could they not impinge? 	could I not be impinging?
could you not be impinging?
could he not be impinging?
could we not be impinging?
could you not be impinging?
could they not be impinging? 	could I not have impinged?
could you not have impinged?
could he not have impinged?
could we not have impinged?
could you not have impinged?
could they not have impinged? 	could I not have been impinging?
could you not have been impinging?
could he not have been impinging?
could we not have been impinging?
could you not have been impinging?
could they not have been impinging?