Conjugação do verbo inglês
COULD SPRING

Verbo irregular: spring - sprang, sprung - sprung

Afirmação

Forma simple	Forma com V-ing
I could spring you could spring he could spring we could spring you could spring they could spring	I could be springing you could be springing he could be springing we could be springing you could be springing they could be springing
Perfeito	Perfeito com V-ing
I could have sprung you could have sprung he could have sprung we could have sprung you could have sprung they could have sprung	I could have been springing you could have been springing he could have been springing we could have been springing you could have been springing they could have been springing

Negação

Forma simple	Forma com V-ing
I could not spring you could not spring he could not spring we could not spring you could not spring they could not spring	I could not be springing you could not be springing he could not be springing we could not be springing you could not be springing they could not be springing
Perfeito	Perfeito com V-ing
I could not have sprung you could not have sprung he could not have sprung we could not have sprung you could not have sprung they could not have sprung	I could not have been springing you could not have been springing he could not have been springing we could not have been springing you could not have been springing they could not have been springing

Forma interrogativa

Forma simple	Forma com V-ing
could I spring? could you spring? could he spring? could we spring? could you spring? could they spring?	could I be springing? could you be springing? could he be springing? could we be springing? could you be springing? could they be springing?
Perfeito	Perfeito com V-ing
could I have sprung? could you have sprung? could he have sprung? could we have sprung? could you have sprung? could they have sprung?	could I have been springing? could you have been springing? could he have been springing? could we have been springing? could you have been springing? could they have been springing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not spring? could you not spring? could he not spring? could we not spring? could you not spring? could they not spring?	could I not be springing? could you not be springing? could he not be springing? could we not be springing? could you not be springing? could they not be springing?
Perfeito	Perfeito com V-ing
could I not have sprung? could you not have sprung? could he not have sprung? could we not have sprung? could you not have sprung? could they not have sprung?	could I not have been springing? could you not have been springing? could he not have been springing? could we not have been springing? could you not have been springing? could they not have been springing?