English verb conjugation
COULD PRANG

Regular verb: prang - pranged - pranged

Affirmation

Simple form	V-ing form
I could prang you could prang he could prang we could prang you could prang they could prang	I could be pranging you could be pranging he could be pranging we could be pranging you could be pranging they could be pranging
Perfect	V-ing perfect
I could have pranged you could have pranged he could have pranged we could have pranged you could have pranged they could have pranged	I could have been pranging you could have been pranging he could have been pranging we could have been pranging you could have been pranging they could have been pranging

Negation

Simple form	V-ing form
I couldn't prang you couldn't prang he couldn't prang we couldn't prang you couldn't prang they couldn't prang	I couldn't be pranging you couldn't be pranging he couldn't be pranging we couldn't be pranging you couldn't be pranging they couldn't be pranging
Perfect	V-ing perfect
I couldn't have pranged you couldn't have pranged he couldn't have pranged we couldn't have pranged you couldn't have pranged they couldn't have pranged	I couldn't have been pranging you couldn't have been pranging he couldn't have been pranging we couldn't have been pranging you couldn't have been pranging they couldn't have been pranging

Interrogative form

Simple form	V-ing form
could I prang? could you prang? could he prang? could we prang? could you prang? could they prang?	could I be pranging? could you be pranging? could he be pranging? could we be pranging? could you be pranging? could they be pranging?
Perfect	V-ing perfect
could I have pranged? could you have pranged? could he have pranged? could we have pranged? could you have pranged? could they have pranged?	could I have been pranging? could you have been pranging? could he have been pranging? could we have been pranging? could you have been pranging? could they have been pranging?

Interro-negative form

Simple form	V-ing form
couldn't I prang? couldn't you prang? couldn't he prang? couldn't we prang? couldn't you prang? couldn't they prang?	couldn't I be pranging? couldn't you be pranging? couldn't he be pranging? couldn't we be pranging? couldn't you be pranging? couldn't they be pranging?
Perfect	V-ing perfect
couldn't I have pranged? couldn't you have pranged? couldn't he have pranged? couldn't we have pranged? couldn't you have pranged? couldn't they have pranged?	couldn't I have been pranging? couldn't you have been pranging? couldn't he have been pranging? couldn't we have been pranging? couldn't you have been pranging? couldn't they have been pranging?