English verb conjugation
COULD ENTAIL

Regular verb: entail - entailed - entailed

Affirmation

Simple form	V-ing form
I could entail you could entail he could entail we could entail you could entail they could entail	I could be entailing you could be entailing he could be entailing we could be entailing you could be entailing they could be entailing
Perfect	V-ing perfect
I could have entailed you could have entailed he could have entailed we could have entailed you could have entailed they could have entailed	I could have been entailing you could have been entailing he could have been entailing we could have been entailing you could have been entailing they could have been entailing

Negation

Simple form	V-ing form
I could not entail you could not entail he could not entail we could not entail you could not entail they could not entail	I could not be entailing you could not be entailing he could not be entailing we could not be entailing you could not be entailing they could not be entailing
Perfect	V-ing perfect
I could not have entailed you could not have entailed he could not have entailed we could not have entailed you could not have entailed they could not have entailed	I could not have been entailing you could not have been entailing he could not have been entailing we could not have been entailing you could not have been entailing they could not have been entailing

Interrogative form

Simple form	V-ing form
could I entail? could you entail? could he entail? could we entail? could you entail? could they entail?	could I be entailing? could you be entailing? could he be entailing? could we be entailing? could you be entailing? could they be entailing?
Perfect	V-ing perfect
could I have entailed? could you have entailed? could he have entailed? could we have entailed? could you have entailed? could they have entailed?	could I have been entailing? could you have been entailing? could he have been entailing? could we have been entailing? could you have been entailing? could they have been entailing?

Interro-negative form

Simple form	V-ing form
could I not entail? could you not entail? could he not entail? could we not entail? could you not entail? could they not entail?	could I not be entailing? could you not be entailing? could he not be entailing? could we not be entailing? could you not be entailing? could they not be entailing?
Perfect	V-ing perfect
could I not have entailed? could you not have entailed? could he not have entailed? could we not have entailed? could you not have entailed? could they not have entailed?	could I not have been entailing? could you not have been entailing? could he not have been entailing? could we not have been entailing? could you not have been entailing? could they not have been entailing?