English verb conjugation
COULD PINWHEEL

Regular verb: pinwheel - pinwheeled - pinwheeled

Affirmation

Simple form	V-ing form
I could pinwheel you could pinwheel she could pinwheel we could pinwheel you could pinwheel they could pinwheel	I could be pinwheeling you could be pinwheeling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she pinwheel? could we pinwheel? could you pinwheel? could they pinwheel?	could I be pinwheeling? could you be pinwheeling? could she 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 she 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 she 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 she 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 she 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 she 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 she have been pinwheeling? couldn't we have been pinwheeling? couldn't you have been pinwheeling? couldn't they have been pinwheeling?