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 couldn't dine you couldn't dine he couldn't dine we couldn't dine you couldn't dine they couldn't dine	I couldn't be dining you couldn't be dining he couldn't be dining we couldn't be dining you couldn't be dining they couldn't be dining
Perfect	V-ing perfect
I couldn't have dined you couldn't have dined he couldn't have dined we couldn't have dined you couldn't have dined they couldn't have dined	I couldn't have been dining you couldn't have been dining he couldn't have been dining we couldn't have been dining you couldn't have been dining they couldn't 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
couldn't I dine? couldn't you dine? couldn't he dine? couldn't we dine? couldn't you dine? couldn't they dine?	couldn't I be dining? couldn't you be dining? couldn't he be dining? couldn't we be dining? couldn't you be dining? couldn't they be dining?
Perfect	V-ing perfect
couldn't I have dined? couldn't you have dined? couldn't he have dined? couldn't we have dined? couldn't you have dined? couldn't they have dined?	couldn't I have been dining? couldn't you have been dining? couldn't he have been dining? couldn't we have been dining? couldn't you have been dining? couldn't they have been dining?