English verb conjugation
COULD PINWHEEL

Regular verb: pinwheel - pinwheeled - pinwheeled

Affirmation

Simple form	V-ing form
I could pinwheel you could pinwheel he could pinwheel we could pinwheel you could pinwheel they could pinwheel	I could be pinwheeling you could be pinwheeling he could be pinwheeling we could be pinwheeling you could be pinwheeling they could be pinwheeling
Perfect	V-ing perfect
I could have pinwheeled you could have pinwheeled he could have pinwheeled we could have pinwheeled you could have pinwheeled they could have pinwheeled	I could have been pinwheeling you could have been pinwheeling he could have been pinwheeling we could have been pinwheeling you could have been pinwheeling they could have been pinwheeling

Negation

Simple form	V-ing form
I could not pinwheel you could not pinwheel he could not pinwheel we could not pinwheel you could not pinwheel they could not pinwheel	I could not be pinwheeling you could not be pinwheeling he could not be pinwheeling we could not be pinwheeling you could not be pinwheeling they could not be pinwheeling
Perfect	V-ing perfect
I could not have pinwheeled you could not have pinwheeled he could not have pinwheeled we could not have pinwheeled you could not have pinwheeled they could not have pinwheeled	I could not have been pinwheeling you could not have been pinwheeling he could not have been pinwheeling we could not have been pinwheeling you could not have been pinwheeling they could not have been pinwheeling

Interrogative form

Simple form	V-ing form
could I pinwheel? could you pinwheel? could he pinwheel? could we pinwheel? could you pinwheel? could they pinwheel?	could I be pinwheeling? could you be pinwheeling? could he be pinwheeling? could we be pinwheeling? could you be pinwheeling? could they be pinwheeling?
Perfect	V-ing perfect
could I have pinwheeled? could you have pinwheeled? could he have pinwheeled? could we have pinwheeled? could you have pinwheeled? could they have pinwheeled?	could I have been pinwheeling? could you have been pinwheeling? could he have been pinwheeling? could we have been pinwheeling? could you have been pinwheeling? could they have been pinwheeling?

Interro-negative form

Simple form	V-ing form
could I not pinwheel? could you not pinwheel? could he not pinwheel? could we not pinwheel? could you not pinwheel? could they not pinwheel?	could I not be pinwheeling? could you not be pinwheeling? could he not be pinwheeling? could we not be pinwheeling? could you not be pinwheeling? could they not be pinwheeling?
Perfect	V-ing perfect
could I not have pinwheeled? could you not have pinwheeled? could he not have pinwheeled? could we not have pinwheeled? could you not have pinwheeled? could they not have pinwheeled?	could I not have been pinwheeling? could you not have been pinwheeling? could he not have been pinwheeling? could we not have been pinwheeling? could you not have been pinwheeling? could they not have been pinwheeling?