English verb conjugation
COULD CARBURET

Regular verb: carburet - carbureted - carbureted

Affirmation

Simple form	V-ing form
I could carburet you could carburet he could carburet we could carburet you could carburet they could carburet	I could be carbureting you could be carbureting he could be carbureting we could be carbureting you could be carbureting they could be carbureting
Perfect	V-ing perfect
I could have carbureted you could have carbureted he could have carbureted we could have carbureted you could have carbureted they could have carbureted	I could have been carbureting you could have been carbureting he could have been carbureting we could have been carbureting you could have been carbureting they could have been carbureting

Negation

Simple form	V-ing form
I could not carburet you could not carburet he could not carburet we could not carburet you could not carburet they could not carburet	I could not be carbureting you could not be carbureting he could not be carbureting we could not be carbureting you could not be carbureting they could not be carbureting
Perfect	V-ing perfect
I could not have carbureted you could not have carbureted he could not have carbureted we could not have carbureted you could not have carbureted they could not have carbureted	I could not have been carbureting you could not have been carbureting he could not have been carbureting we could not have been carbureting you could not have been carbureting they could not have been carbureting

Interrogative form

Simple form	V-ing form
could I carburet? could you carburet? could he carburet? could we carburet? could you carburet? could they carburet?	could I be carbureting? could you be carbureting? could he be carbureting? could we be carbureting? could you be carbureting? could they be carbureting?
Perfect	V-ing perfect
could I have carbureted? could you have carbureted? could he have carbureted? could we have carbureted? could you have carbureted? could they have carbureted?	could I have been carbureting? could you have been carbureting? could he have been carbureting? could we have been carbureting? could you have been carbureting? could they have been carbureting?

Interro-negative form

Simple form	V-ing form
could I not carburet? could you not carburet? could he not carburet? could we not carburet? could you not carburet? could they not carburet?	could I not be carbureting? could you not be carbureting? could he not be carbureting? could we not be carbureting? could you not be carbureting? could they not be carbureting?
Perfect	V-ing perfect
could I not have carbureted? could you not have carbureted? could he not have carbureted? could we not have carbureted? could you not have carbureted? could they not have carbureted?	could I not have been carbureting? could you not have been carbureting? could he not have been carbureting? could we not have been carbureting? could you not have been carbureting? could they not have been carbureting?