English verb conjugation
COULD LIE

Irregular verb: lie - lay - lain

Affirmation

Simple form	V-ing form
I could lie you could lie he could lie we could lie you could lie they could lie	I could be lying you could be lying he could be lying we could be lying you could be lying they could be lying
Perfect	V-ing perfect
I could have lain you could have lain he could have lain we could have lain you could have lain they could have lain	I could have been lying you could have been lying he could have been lying we could have been lying you could have been lying they could have been lying

Negation

Simple form	V-ing form
I could not lie you could not lie he could not lie we could not lie you could not lie they could not lie	I could not be lying you could not be lying he could not be lying we could not be lying you could not be lying they could not be lying
Perfect	V-ing perfect
I could not have lain you could not have lain he could not have lain we could not have lain you could not have lain they could not have lain	I could not have been lying you could not have been lying he could not have been lying we could not have been lying you could not have been lying they could not have been lying

Interrogative form

Simple form	V-ing form
could I lie? could you lie? could he lie? could we lie? could you lie? could they lie?	could I be lying? could you be lying? could he be lying? could we be lying? could you be lying? could they be lying?
Perfect	V-ing perfect
could I have lain? could you have lain? could he have lain? could we have lain? could you have lain? could they have lain?	could I have been lying? could you have been lying? could he have been lying? could we have been lying? could you have been lying? could they have been lying?

Interro-negative form

Simple form	V-ing form
could I not lie? could you not lie? could he not lie? could we not lie? could you not lie? could they not lie?	could I not be lying? could you not be lying? could he not be lying? could we not be lying? could you not be lying? could they not be lying?
Perfect	V-ing perfect
could I not have lain? could you not have lain? could he not have lain? could we not have lain? could you not have lain? could they not have lain?	could I not have been lying? could you not have been lying? could he not have been lying? could we not have been lying? could you not have been lying? could they not have been lying?