English verb conjugation
COULD PUPPETEER

Regular verb: puppeteer - puppeteered - puppeteered

Affirmation

Simple form	V-ing form
I could puppeteer you could puppeteer he could puppeteer we could puppeteer you could puppeteer they could puppeteer	I could be puppeteering you could be puppeteering he could be puppeteering we could be puppeteering you could be puppeteering they could be puppeteering
Perfect	V-ing perfect
I could have puppeteered you could have puppeteered he could have puppeteered we could have puppeteered you could have puppeteered they could have puppeteered	I could have been puppeteering you could have been puppeteering he could have been puppeteering we could have been puppeteering you could have been puppeteering they could have been puppeteering

Negation

Simple form	V-ing form
I couldn't puppeteer you couldn't puppeteer he couldn't puppeteer we couldn't puppeteer you couldn't puppeteer they couldn't puppeteer	I couldn't be puppeteering you couldn't be puppeteering he couldn't be puppeteering we couldn't be puppeteering you couldn't be puppeteering they couldn't be puppeteering
Perfect	V-ing perfect
I couldn't have puppeteered you couldn't have puppeteered he couldn't have puppeteered we couldn't have puppeteered you couldn't have puppeteered they couldn't have puppeteered	I couldn't have been puppeteering you couldn't have been puppeteering he couldn't have been puppeteering we couldn't have been puppeteering you couldn't have been puppeteering they couldn't have been puppeteering

Interrogative form

Simple form	V-ing form
could I puppeteer? could you puppeteer? could he puppeteer? could we puppeteer? could you puppeteer? could they puppeteer?	could I be puppeteering? could you be puppeteering? could he be puppeteering? could we be puppeteering? could you be puppeteering? could they be puppeteering?
Perfect	V-ing perfect
could I have puppeteered? could you have puppeteered? could he have puppeteered? could we have puppeteered? could you have puppeteered? could they have puppeteered?	could I have been puppeteering? could you have been puppeteering? could he have been puppeteering? could we have been puppeteering? could you have been puppeteering? could they have been puppeteering?

Interro-negative form

Simple form	V-ing form
couldn't I puppeteer? couldn't you puppeteer? couldn't he puppeteer? couldn't we puppeteer? couldn't you puppeteer? couldn't they puppeteer?	couldn't I be puppeteering? couldn't you be puppeteering? couldn't he be puppeteering? couldn't we be puppeteering? couldn't you be puppeteering? couldn't they be puppeteering?
Perfect	V-ing perfect
couldn't I have puppeteered? couldn't you have puppeteered? couldn't he have puppeteered? couldn't we have puppeteered? couldn't you have puppeteered? couldn't they have puppeteered?	couldn't I have been puppeteering? couldn't you have been puppeteering? couldn't he have been puppeteering? couldn't we have been puppeteering? couldn't you have been puppeteering? couldn't they have been puppeteering?