English verb conjugation
COULD PROLAPSE

Regular verb: prolapse - prolapsed - prolapsed

Affirmation

Simple form	V-ing form
I could prolapse you could prolapse he could prolapse we could prolapse you could prolapse they could prolapse	I could be prolapsing you could be prolapsing he could be prolapsing we could be prolapsing you could be prolapsing they could be prolapsing
Perfect	V-ing perfect
I could have prolapsed you could have prolapsed he could have prolapsed we could have prolapsed you could have prolapsed they could have prolapsed	I could have been prolapsing you could have been prolapsing he could have been prolapsing we could have been prolapsing you could have been prolapsing they could have been prolapsing

Negation

Simple form	V-ing form
I could not prolapse you could not prolapse he could not prolapse we could not prolapse you could not prolapse they could not prolapse	I could not be prolapsing you could not be prolapsing he could not be prolapsing we could not be prolapsing you could not be prolapsing they could not be prolapsing
Perfect	V-ing perfect
I could not have prolapsed you could not have prolapsed he could not have prolapsed we could not have prolapsed you could not have prolapsed they could not have prolapsed	I could not have been prolapsing you could not have been prolapsing he could not have been prolapsing we could not have been prolapsing you could not have been prolapsing they could not have been prolapsing

Interrogative form

Simple form	V-ing form
could I prolapse? could you prolapse? could he prolapse? could we prolapse? could you prolapse? could they prolapse?	could I be prolapsing? could you be prolapsing? could he be prolapsing? could we be prolapsing? could you be prolapsing? could they be prolapsing?
Perfect	V-ing perfect
could I have prolapsed? could you have prolapsed? could he have prolapsed? could we have prolapsed? could you have prolapsed? could they have prolapsed?	could I have been prolapsing? could you have been prolapsing? could he have been prolapsing? could we have been prolapsing? could you have been prolapsing? could they have been prolapsing?

Interro-negative form

Simple form	V-ing form
could I not prolapse? could you not prolapse? could he not prolapse? could we not prolapse? could you not prolapse? could they not prolapse?	could I not be prolapsing? could you not be prolapsing? could he not be prolapsing? could we not be prolapsing? could you not be prolapsing? could they not be prolapsing?
Perfect	V-ing perfect
could I not have prolapsed? could you not have prolapsed? could he not have prolapsed? could we not have prolapsed? could you not have prolapsed? could they not have prolapsed?	could I not have been prolapsing? could you not have been prolapsing? could he not have been prolapsing? could we not have been prolapsing? could you not have been prolapsing? could they not have been prolapsing?