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 couldn't pinwheel you couldn't pinwheel he couldn't pinwheel we couldn't pinwheel you couldn't pinwheel they couldn't pinwheel	I couldn't be pinwheeling you couldn't be pinwheeling he couldn't be pinwheeling we couldn't be pinwheeling you couldn't be pinwheeling they couldn't be pinwheeling
Perfect	V-ing perfect
I couldn't have pinwheeled you couldn't have pinwheeled he couldn't have pinwheeled we couldn't have pinwheeled you couldn't have pinwheeled they couldn't have pinwheeled	I couldn't have been pinwheeling you couldn't have been pinwheeling he couldn't have been pinwheeling we couldn't have been pinwheeling you couldn't have been pinwheeling they couldn't 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
couldn't I pinwheel? couldn't you pinwheel? couldn't he pinwheel? couldn't we pinwheel? couldn't you pinwheel? couldn't they pinwheel?	couldn't I be pinwheeling? couldn't you be pinwheeling? couldn't he be pinwheeling? couldn't we be pinwheeling? couldn't you be pinwheeling? couldn't they be pinwheeling?
Perfect	V-ing perfect
couldn't I have pinwheeled? couldn't you have pinwheeled? couldn't he have pinwheeled? couldn't we have pinwheeled? couldn't you have pinwheeled? couldn't they have pinwheeled?	couldn't I have been pinwheeling? couldn't you have been pinwheeling? couldn't he have been pinwheeling? couldn't we have been pinwheeling? couldn't you have been pinwheeling? couldn't they have been pinwheeling?