Conjugación del verbo inglés
COULD SPRING

Verbo irregular: spring - sprang, sprung - sprung

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con 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

Negación

Forma simple	Forma con V-ing
I couldn't spring you couldn't spring he couldn't spring we couldn't spring you couldn't spring they couldn't spring	I couldn't be springing you couldn't be springing he couldn't be springing we couldn't be springing you couldn't be springing they couldn't be springing
Perfecto	Perfecto con V-ing
I couldn't have sprung you couldn't have sprung he couldn't have sprung we couldn't have sprung you couldn't have sprung they couldn't have sprung	I couldn't have been springing you couldn't have been springing he couldn't have been springing we couldn't have been springing you couldn't have been springing they couldn't have been springing

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con 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-negativa

Forma simple	Forma con V-ing
couldn't I spring? couldn't you spring? couldn't he spring? couldn't we spring? couldn't you spring? couldn't they spring?	couldn't I be springing? couldn't you be springing? couldn't he be springing? couldn't we be springing? couldn't you be springing? couldn't they be springing?
Perfecto	Perfecto con V-ing
couldn't I have sprung? couldn't you have sprung? couldn't he have sprung? couldn't we have sprung? couldn't you have sprung? couldn't they have sprung?	couldn't I have been springing? couldn't you have been springing? couldn't he have been springing? couldn't we have been springing? couldn't you have been springing? couldn't they have been springing?