Coniugazione del verbo inglese
COULD WHISTLE

Verbo regolare: whistle - whistled - whistled

Affermazione

Forma semplice	Forma con V-ing
I could whistle you could whistle he could whistle we could whistle you could whistle they could whistle	I could be whistling you could be whistling he could be whistling we could be whistling you could be whistling they could be whistling
Perfetto	Perfetto con V-ing
I could have whistled you could have whistled he could have whistled we could have whistled you could have whistled they could have whistled	I could have been whistling you could have been whistling he could have been whistling we could have been whistling you could have been whistling they could have been whistling

Negazione

Forma semplice	Forma con V-ing
I could not whistle you could not whistle he could not whistle we could not whistle you could not whistle they could not whistle	I could not be whistling you could not be whistling he could not be whistling we could not be whistling you could not be whistling they could not be whistling
Perfetto	Perfetto con V-ing
I could not have whistled you could not have whistled he could not have whistled we could not have whistled you could not have whistled they could not have whistled	I could not have been whistling you could not have been whistling he could not have been whistling we could not have been whistling you could not have been whistling they could not have been whistling

Forma interrogativa

Forma semplice	Forma con V-ing
could I whistle? could you whistle? could he whistle? could we whistle? could you whistle? could they whistle?	could I be whistling? could you be whistling? could he be whistling? could we be whistling? could you be whistling? could they be whistling?
Perfetto	Perfetto con V-ing
could I have whistled? could you have whistled? could he have whistled? could we have whistled? could you have whistled? could they have whistled?	could I have been whistling? could you have been whistling? could he have been whistling? could we have been whistling? could you have been whistling? could they have been whistling?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not whistle? could you not whistle? could he not whistle? could we not whistle? could you not whistle? could they not whistle?	could I not be whistling? could you not be whistling? could he not be whistling? could we not be whistling? could you not be whistling? could they not be whistling?
Perfetto	Perfetto con V-ing
could I not have whistled? could you not have whistled? could he not have whistled? could we not have whistled? could you not have whistled? could they not have whistled?	could I not have been whistling? could you not have been whistling? could he not have been whistling? could we not have been whistling? could you not have been whistling? could they not have been whistling?