English verb conjugation
COULD PREEDIT

Regular verb: preedit - preedited - preedited

Affirmation

Simple form	V-ing form
I could preedit you could preedit she could preedit we could preedit you could preedit they could preedit	I could be preediting you could be preediting she could be preediting we could be preediting you could be preediting they could be preediting
Perfect	V-ing perfect
I could have preedited you could have preedited she could have preedited we could have preedited you could have preedited they could have preedited	I could have been preediting you could have been preediting she could have been preediting we could have been preediting you could have been preediting they could have been preediting

Negation

Simple form	V-ing form
I couldn't preedit you couldn't preedit she couldn't preedit we couldn't preedit you couldn't preedit they couldn't preedit	I couldn't be preediting you couldn't be preediting she couldn't be preediting we couldn't be preediting you couldn't be preediting they couldn't be preediting
Perfect	V-ing perfect
I couldn't have preedited you couldn't have preedited she couldn't have preedited we couldn't have preedited you couldn't have preedited they couldn't have preedited	I couldn't have been preediting you couldn't have been preediting she couldn't have been preediting we couldn't have been preediting you couldn't have been preediting they couldn't have been preediting

Interrogative form

Simple form	V-ing form
could I preedit? could you preedit? could she preedit? could we preedit? could you preedit? could they preedit?	could I be preediting? could you be preediting? could she be preediting? could we be preediting? could you be preediting? could they be preediting?
Perfect	V-ing perfect
could I have preedited? could you have preedited? could she have preedited? could we have preedited? could you have preedited? could they have preedited?	could I have been preediting? could you have been preediting? could she have been preediting? could we have been preediting? could you have been preediting? could they have been preediting?

Interro-negative form

Simple form	V-ing form
couldn't I preedit? couldn't you preedit? couldn't she preedit? couldn't we preedit? couldn't you preedit? couldn't they preedit?	couldn't I be preediting? couldn't you be preediting? couldn't she be preediting? couldn't we be preediting? couldn't you be preediting? couldn't they be preediting?
Perfect	V-ing perfect
couldn't I have preedited? couldn't you have preedited? couldn't she have preedited? couldn't we have preedited? couldn't you have preedited? couldn't they have preedited?	couldn't I have been preediting? couldn't you have been preediting? couldn't she have been preediting? couldn't we have been preediting? couldn't you have been preediting? couldn't they have been preediting?