English verb conjugation
COULD LUBE

Regular verb: lube - lubed - lubed

Affirmation

Simple form	V-ing form
I could lube you could lube he could lube we could lube you could lube they could lube	I could be lubing you could be lubing he could be lubing we could be lubing you could be lubing they could be lubing
Perfect	V-ing perfect
I could have lubed you could have lubed he could have lubed we could have lubed you could have lubed they could have lubed	I could have been lubing you could have been lubing he could have been lubing we could have been lubing you could have been lubing they could have been lubing

Negation

Simple form	V-ing form
I could not lube you could not lube he could not lube we could not lube you could not lube they could not lube	I could not be lubing you could not be lubing he could not be lubing we could not be lubing you could not be lubing they could not be lubing
Perfect	V-ing perfect
I could not have lubed you could not have lubed he could not have lubed we could not have lubed you could not have lubed they could not have lubed	I could not have been lubing you could not have been lubing he could not have been lubing we could not have been lubing you could not have been lubing they could not have been lubing

Interrogative form

Simple form	V-ing form
could I lube? could you lube? could he lube? could we lube? could you lube? could they lube?	could I be lubing? could you be lubing? could he be lubing? could we be lubing? could you be lubing? could they be lubing?
Perfect	V-ing perfect
could I have lubed? could you have lubed? could he have lubed? could we have lubed? could you have lubed? could they have lubed?	could I have been lubing? could you have been lubing? could he have been lubing? could we have been lubing? could you have been lubing? could they have been lubing?

Interro-negative form

Simple form	V-ing form
could I not lube? could you not lube? could he not lube? could we not lube? could you not lube? could they not lube?	could I not be lubing? could you not be lubing? could he not be lubing? could we not be lubing? could you not be lubing? could they not be lubing?
Perfect	V-ing perfect
could I not have lubed? could you not have lubed? could he not have lubed? could we not have lubed? could you not have lubed? could they not have lubed?	could I not have been lubing? could you not have been lubing? could he not have been lubing? could we not have been lubing? could you not have been lubing? could they not have been lubing?