English verb conjugation
COULD REBOUND

Regular verb: rebound - rebounded - rebounded

Affirmation

Simple form	V-ing form
I could rebound you could rebound she could rebound we could rebound you could rebound they could rebound	I could be rebounding you could be rebounding she could be rebounding we could be rebounding you could be rebounding they could be rebounding
Perfect	V-ing perfect
I could have rebounded you could have rebounded she could have rebounded we could have rebounded you could have rebounded they could have rebounded	I could have been rebounding you could have been rebounding she could have been rebounding we could have been rebounding you could have been rebounding they could have been rebounding

Negation

Simple form	V-ing form
I could not rebound you could not rebound she could not rebound we could not rebound you could not rebound they could not rebound	I could not be rebounding you could not be rebounding she could not be rebounding we could not be rebounding you could not be rebounding they could not be rebounding
Perfect	V-ing perfect
I could not have rebounded you could not have rebounded she could not have rebounded we could not have rebounded you could not have rebounded they could not have rebounded	I could not have been rebounding you could not have been rebounding she could not have been rebounding we could not have been rebounding you could not have been rebounding they could not have been rebounding

Interrogative form

Simple form	V-ing form
could I rebound? could you rebound? could she rebound? could we rebound? could you rebound? could they rebound?	could I be rebounding? could you be rebounding? could she be rebounding? could we be rebounding? could you be rebounding? could they be rebounding?
Perfect	V-ing perfect
could I have rebounded? could you have rebounded? could she have rebounded? could we have rebounded? could you have rebounded? could they have rebounded?	could I have been rebounding? could you have been rebounding? could she have been rebounding? could we have been rebounding? could you have been rebounding? could they have been rebounding?

Interro-negative form

Simple form	V-ing form
could I not rebound? could you not rebound? could she not rebound? could we not rebound? could you not rebound? could they not rebound?	could I not be rebounding? could you not be rebounding? could she not be rebounding? could we not be rebounding? could you not be rebounding? could they not be rebounding?
Perfect	V-ing perfect
could I not have rebounded? could you not have rebounded? could she not have rebounded? could we not have rebounded? could you not have rebounded? could they not have rebounded?	could I not have been rebounding? could you not have been rebounding? could she not have been rebounding? could we not have been rebounding? could you not have been rebounding? could they not have been rebounding?