could eclipse
Regular verb: eclipse - eclipsed- eclipsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?