English verb conjugation
CAN UNDERPLAY

Regular verb: underplay - underplayed - underplayed

Affirmation

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

Negation

Simple form	V-ing form
I can't underplay you can't underplay she can't underplay we can't underplay you can't underplay they can't underplay	I can't be underplaying you can't be underplaying she can't be underplaying we can't be underplaying you can't be underplaying they can't be underplaying
Perfect	V-ing perfect
I can't have underplayed you can't have underplayed she can't have underplayed we can't have underplayed you can't have underplayed they can't have underplayed	I can't have been underplaying you can't have been underplaying she can't have been underplaying we can't have been underplaying you can't have been underplaying they can't have been underplaying

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I underplay? can't you underplay? can't she underplay? can't we underplay? can't you underplay? can't they underplay?	can't I be underplaying? can't you be underplaying? can't she be underplaying? can't we be underplaying? can't you be underplaying? can't they be underplaying?
Perfect	V-ing perfect
can't I have underplayed? can't you have underplayed? can't she have underplayed? can't we have underplayed? can't you have underplayed? can't they have underplayed?	can't I have been underplaying? can't you have been underplaying? can't she have been underplaying? can't we have been underplaying? can't you have been underplaying? can't they have been underplaying?