English verb conjugation
COULD ECLIPSE

Regular verb: eclipse - eclipsed - eclipsed

Affirmation

Simple form	V-ing form
I could eclipse you could eclipse he could eclipse we could eclipse you could eclipse they could eclipse	I could be eclipsing you could be eclipsing he could be eclipsing we could be eclipsing you could be eclipsing they could be eclipsing
Perfect	V-ing perfect
I could have eclipsed you could have eclipsed he could have eclipsed we could have eclipsed you could have eclipsed they could have eclipsed	I could have been eclipsing you could have been eclipsing he could have been eclipsing we could have been eclipsing you could have been eclipsing they could have been eclipsing

Negation

Simple form	V-ing form
I couldn't eclipse you couldn't eclipse he couldn't eclipse we couldn't eclipse you couldn't eclipse they couldn't eclipse	I couldn't be eclipsing you couldn't be eclipsing he couldn't be eclipsing we couldn't be eclipsing you couldn't be eclipsing they couldn't be eclipsing
Perfect	V-ing perfect
I couldn't have eclipsed you couldn't have eclipsed he couldn't have eclipsed we couldn't have eclipsed you couldn't have eclipsed they couldn't have eclipsed	I couldn't have been eclipsing you couldn't have been eclipsing he couldn't have been eclipsing we couldn't have been eclipsing you couldn't have been eclipsing they couldn't have been eclipsing

Interrogative form

Simple form	V-ing form
could I eclipse? could you eclipse? could he eclipse? could we eclipse? could you eclipse? could they eclipse?	could I be eclipsing? could you be eclipsing? could he be eclipsing? could we be eclipsing? could you be eclipsing? could they be eclipsing?
Perfect	V-ing perfect
could I have eclipsed? could you have eclipsed? could he have eclipsed? could we have eclipsed? could you have eclipsed? could they have eclipsed?	could I have been eclipsing? could you have been eclipsing? could he have been eclipsing? could we have been eclipsing? could you have been eclipsing? could they have been eclipsing?

Interro-negative form

Simple form	V-ing form
couldn't I eclipse? couldn't you eclipse? couldn't he eclipse? couldn't we eclipse? couldn't you eclipse? couldn't they eclipse?	couldn't I be eclipsing? couldn't you be eclipsing? couldn't he be eclipsing? couldn't we be eclipsing? couldn't you be eclipsing? couldn't they be eclipsing?
Perfect	V-ing perfect
couldn't I have eclipsed? couldn't you have eclipsed? couldn't he have eclipsed? couldn't we have eclipsed? couldn't you have eclipsed? couldn't they have eclipsed?	couldn't I have been eclipsing? couldn't you have been eclipsing? couldn't he have been eclipsing? couldn't we have been eclipsing? couldn't you have been eclipsing? couldn't they have been eclipsing?