English verb conjugation
COULD REPHOTOGRAPH

Regular verb: rephotograph - rephotographed - rephotographed

Affirmation

Simple form	V-ing form
I could rephotograph you could rephotograph he could rephotograph we could rephotograph you could rephotograph they could rephotograph	I could be rephotographing you could be rephotographing he could be rephotographing we could be rephotographing you could be rephotographing they could be rephotographing
Perfect	V-ing perfect
I could have rephotographed you could have rephotographed he could have rephotographed we could have rephotographed you could have rephotographed they could have rephotographed	I could have been rephotographing you could have been rephotographing he could have been rephotographing we could have been rephotographing you could have been rephotographing they could have been rephotographing

Negation

Simple form	V-ing form
I couldn't rephotograph you couldn't rephotograph he couldn't rephotograph we couldn't rephotograph you couldn't rephotograph they couldn't rephotograph	I couldn't be rephotographing you couldn't be rephotographing he couldn't be rephotographing we couldn't be rephotographing you couldn't be rephotographing they couldn't be rephotographing
Perfect	V-ing perfect
I couldn't have rephotographed you couldn't have rephotographed he couldn't have rephotographed we couldn't have rephotographed you couldn't have rephotographed they couldn't have rephotographed	I couldn't have been rephotographing you couldn't have been rephotographing he couldn't have been rephotographing we couldn't have been rephotographing you couldn't have been rephotographing they couldn't have been rephotographing

Interrogative form

Simple form	V-ing form
could I rephotograph? could you rephotograph? could he rephotograph? could we rephotograph? could you rephotograph? could they rephotograph?	could I be rephotographing? could you be rephotographing? could he be rephotographing? could we be rephotographing? could you be rephotographing? could they be rephotographing?
Perfect	V-ing perfect
could I have rephotographed? could you have rephotographed? could he have rephotographed? could we have rephotographed? could you have rephotographed? could they have rephotographed?	could I have been rephotographing? could you have been rephotographing? could he have been rephotographing? could we have been rephotographing? could you have been rephotographing? could they have been rephotographing?

Interro-negative form

Simple form	V-ing form
couldn't I rephotograph? couldn't you rephotograph? couldn't he rephotograph? couldn't we rephotograph? couldn't you rephotograph? couldn't they rephotograph?	couldn't I be rephotographing? couldn't you be rephotographing? couldn't he be rephotographing? couldn't we be rephotographing? couldn't you be rephotographing? couldn't they be rephotographing?
Perfect	V-ing perfect
couldn't I have rephotographed? couldn't you have rephotographed? couldn't he have rephotographed? couldn't we have rephotographed? couldn't you have rephotographed? couldn't they have rephotographed?	couldn't I have been rephotographing? couldn't you have been rephotographing? couldn't he have been rephotographing? couldn't we have been rephotographing? couldn't you have been rephotographing? couldn't they have been rephotographing?