English verb conjugation
COULD LUNCH

Regular verb: lunch - lunched - lunched

Affirmation

Simple form	V-ing form
I could lunch you could lunch she could lunch we could lunch you could lunch they could lunch	I could be lunching you could be lunching she could be lunching we could be lunching you could be lunching they could be lunching
Perfect	V-ing perfect
I could have lunched you could have lunched she could have lunched we could have lunched you could have lunched they could have lunched	I could have been lunching you could have been lunching she could have been lunching we could have been lunching you could have been lunching they could have been lunching

Negation

Simple form	V-ing form
I could not lunch you could not lunch she could not lunch we could not lunch you could not lunch they could not lunch	I could not be lunching you could not be lunching she could not be lunching we could not be lunching you could not be lunching they could not be lunching
Perfect	V-ing perfect
I could not have lunched you could not have lunched she could not have lunched we could not have lunched you could not have lunched they could not have lunched	I could not have been lunching you could not have been lunching she could not have been lunching we could not have been lunching you could not have been lunching they could not have been lunching

Interrogative form

Simple form	V-ing form
could I lunch? could you lunch? could she lunch? could we lunch? could you lunch? could they lunch?	could I be lunching? could you be lunching? could she be lunching? could we be lunching? could you be lunching? could they be lunching?
Perfect	V-ing perfect
could I have lunched? could you have lunched? could she have lunched? could we have lunched? could you have lunched? could they have lunched?	could I have been lunching? could you have been lunching? could she have been lunching? could we have been lunching? could you have been lunching? could they have been lunching?

Interro-negative form

Simple form	V-ing form
could I not lunch? could you not lunch? could she not lunch? could we not lunch? could you not lunch? could they not lunch?	could I not be lunching? could you not be lunching? could she not be lunching? could we not be lunching? could you not be lunching? could they not be lunching?
Perfect	V-ing perfect
could I not have lunched? could you not have lunched? could she not have lunched? could we not have lunched? could you not have lunched? could they not have lunched?	could I not have been lunching? could you not have been lunching? could she not have been lunching? could we not have been lunching? could you not have been lunching? could they not have been lunching?