English verb conjugation
COULD UNDERPLAY

Regular verb: underplay - underplayed - underplayed

Affirmation

Simple form	V-ing form
I could underplay you could underplay she could underplay we could underplay you could underplay they could underplay	I could be underplaying you could be underplaying she could be underplaying we could be underplaying you could be underplaying they could be underplaying
Perfect	V-ing perfect
I could have underplayed you could have underplayed she could have underplayed we could have underplayed you could have underplayed they could have underplayed	I could have been underplaying you could have been underplaying she could have been underplaying we could have been underplaying you could have been underplaying they could have been underplaying

Negation

Simple form	V-ing form
I could not underplay you could not underplay she could not underplay we could not underplay you could not underplay they could not underplay	I could not be underplaying you could not be underplaying she could not be underplaying we could not be underplaying you could not be underplaying they could not be underplaying
Perfect	V-ing perfect
I could not have underplayed you could not have underplayed she could not have underplayed we could not have underplayed you could not have underplayed they could not have underplayed	I could not have been underplaying you could not have been underplaying she could not have been underplaying we could not have been underplaying you could not have been underplaying they could not have been underplaying

Interrogative form

Simple form	V-ing form
could I underplay? could you underplay? could she underplay? could we underplay? could you underplay? could they underplay?	could I be underplaying? could you be underplaying? could she be underplaying? could we be underplaying? could you be underplaying? could they be underplaying?
Perfect	V-ing perfect
could I have underplayed? could you have underplayed? could she have underplayed? could we have underplayed? could you have underplayed? could they have underplayed?	could I have been underplaying? could you have been underplaying? could she have been underplaying? could we have been underplaying? could you have been underplaying? could they have been underplaying?

Interro-negative form

Simple form	V-ing form
could I not underplay? could you not underplay? could she not underplay? could we not underplay? could you not underplay? could they not underplay?	could I not be underplaying? could you not be underplaying? could she not be underplaying? could we not be underplaying? could you not be underplaying? could they not be underplaying?
Perfect	V-ing perfect
could I not have underplayed? could you not have underplayed? could she not have underplayed? could we not have underplayed? could you not have underplayed? could they not have underplayed?	could I not have been underplaying? could you not have been underplaying? could she not have been underplaying? could we not have been underplaying? could you not have been underplaying? could they not have been underplaying?