English verb conjugation
COULD CARTWHEEL

Regular verb: cartwheel - cartwheeled - cartwheeled

Affirmation

Simple form	V-ing form
I could cartwheel you could cartwheel he could cartwheel we could cartwheel you could cartwheel they could cartwheel	I could be cartwheeling you could be cartwheeling he could be cartwheeling we could be cartwheeling you could be cartwheeling they could be cartwheeling
Perfect	V-ing perfect
I could have cartwheeled you could have cartwheeled he could have cartwheeled we could have cartwheeled you could have cartwheeled they could have cartwheeled	I could have been cartwheeling you could have been cartwheeling he could have been cartwheeling we could have been cartwheeling you could have been cartwheeling they could have been cartwheeling

Negation

Simple form	V-ing form
I couldn't cartwheel you couldn't cartwheel he couldn't cartwheel we couldn't cartwheel you couldn't cartwheel they couldn't cartwheel	I couldn't be cartwheeling you couldn't be cartwheeling he couldn't be cartwheeling we couldn't be cartwheeling you couldn't be cartwheeling they couldn't be cartwheeling
Perfect	V-ing perfect
I couldn't have cartwheeled you couldn't have cartwheeled he couldn't have cartwheeled we couldn't have cartwheeled you couldn't have cartwheeled they couldn't have cartwheeled	I couldn't have been cartwheeling you couldn't have been cartwheeling he couldn't have been cartwheeling we couldn't have been cartwheeling you couldn't have been cartwheeling they couldn't have been cartwheeling

Interrogative form

Simple form	V-ing form
could I cartwheel? could you cartwheel? could he cartwheel? could we cartwheel? could you cartwheel? could they cartwheel?	could I be cartwheeling? could you be cartwheeling? could he be cartwheeling? could we be cartwheeling? could you be cartwheeling? could they be cartwheeling?
Perfect	V-ing perfect
could I have cartwheeled? could you have cartwheeled? could he have cartwheeled? could we have cartwheeled? could you have cartwheeled? could they have cartwheeled?	could I have been cartwheeling? could you have been cartwheeling? could he have been cartwheeling? could we have been cartwheeling? could you have been cartwheeling? could they have been cartwheeling?

Interro-negative form

Simple form	V-ing form
couldn't I cartwheel? couldn't you cartwheel? couldn't he cartwheel? couldn't we cartwheel? couldn't you cartwheel? couldn't they cartwheel?	couldn't I be cartwheeling? couldn't you be cartwheeling? couldn't he be cartwheeling? couldn't we be cartwheeling? couldn't you be cartwheeling? couldn't they be cartwheeling?
Perfect	V-ing perfect
couldn't I have cartwheeled? couldn't you have cartwheeled? couldn't he have cartwheeled? couldn't we have cartwheeled? couldn't you have cartwheeled? couldn't they have cartwheeled?	couldn't I have been cartwheeling? couldn't you have been cartwheeling? couldn't he have been cartwheeling? couldn't we have been cartwheeling? couldn't you have been cartwheeling? couldn't they have been cartwheeling?