English verb conjugation
COULD LYSE

Regular verb: lyse - lysed - lysed

Affirmation

Simple form	V-ing form
I could lyse you could lyse he could lyse we could lyse you could lyse they could lyse	I could be lysing you could be lysing he could be lysing we could be lysing you could be lysing they could be lysing
Perfect	V-ing perfect
I could have lysed you could have lysed he could have lysed we could have lysed you could have lysed they could have lysed	I could have been lysing you could have been lysing he could have been lysing we could have been lysing you could have been lysing they could have been lysing

Negation

Simple form	V-ing form
I could not lyse you could not lyse he could not lyse we could not lyse you could not lyse they could not lyse	I could not be lysing you could not be lysing he could not be lysing we could not be lysing you could not be lysing they could not be lysing
Perfect	V-ing perfect
I could not have lysed you could not have lysed he could not have lysed we could not have lysed you could not have lysed they could not have lysed	I could not have been lysing you could not have been lysing he could not have been lysing we could not have been lysing you could not have been lysing they could not have been lysing

Interrogative form

Simple form	V-ing form
could I lyse? could you lyse? could he lyse? could we lyse? could you lyse? could they lyse?	could I be lysing? could you be lysing? could he be lysing? could we be lysing? could you be lysing? could they be lysing?
Perfect	V-ing perfect
could I have lysed? could you have lysed? could he have lysed? could we have lysed? could you have lysed? could they have lysed?	could I have been lysing? could you have been lysing? could he have been lysing? could we have been lysing? could you have been lysing? could they have been lysing?

Interro-negative form

Simple form	V-ing form
could I not lyse? could you not lyse? could he not lyse? could we not lyse? could you not lyse? could they not lyse?	could I not be lysing? could you not be lysing? could he not be lysing? could we not be lysing? could you not be lysing? could they not be lysing?
Perfect	V-ing perfect
could I not have lysed? could you not have lysed? could he not have lysed? could we not have lysed? could you not have lysed? could they not have lysed?	could I not have been lysing? could you not have been lysing? could he not have been lysing? could we not have been lysing? could you not have been lysing? could they not have been lysing?