English verb conjugation
COULD DINE

Regular verb: dine - dined - dined

Affirmation

Simple form	V-ing form
I could dine you could dine he could dine we could dine you could dine they could dine	I could be dining you could be dining he could be dining we could be dining you could be dining they could be dining
Perfect	V-ing perfect
I could have dined you could have dined he could have dined we could have dined you could have dined they could have dined	I could have been dining you could have been dining he could have been dining we could have been dining you could have been dining they could have been dining

Negation

Simple form	V-ing form
I could not dine you could not dine he could not dine we could not dine you could not dine they could not dine	I could not be dining you could not be dining he could not be dining we could not be dining you could not be dining they could not be dining
Perfect	V-ing perfect
I could not have dined you could not have dined he could not have dined we could not have dined you could not have dined they could not have dined	I could not have been dining you could not have been dining he could not have been dining we could not have been dining you could not have been dining they could not have been dining

Interrogative form

Simple form	V-ing form
could I dine? could you dine? could he dine? could we dine? could you dine? could they dine?	could I be dining? could you be dining? could he be dining? could we be dining? could you be dining? could they be dining?
Perfect	V-ing perfect
could I have dined? could you have dined? could he have dined? could we have dined? could you have dined? could they have dined?	could I have been dining? could you have been dining? could he have been dining? could we have been dining? could you have been dining? could they have been dining?

Interro-negative form

Simple form	V-ing form
could I not dine? could you not dine? could he not dine? could we not dine? could you not dine? could they not dine?	could I not be dining? could you not be dining? could he not be dining? could we not be dining? could you not be dining? could they not be dining?
Perfect	V-ing perfect
could I not have dined? could you not have dined? could he not have dined? could we not have dined? could you not have dined? could they not have dined?	could I not have been dining? could you not have been dining? could he not have been dining? could we not have been dining? could you not have been dining? could they not have been dining?