English verb conjugation
CAN UNDERPLAY

Regular verb: underplay - underplayed - underplayed

Affirmation

Simple form	V-ing form
I can underplay you can underplay he can underplay we can underplay you can underplay they can underplay	I can be underplaying you can be underplaying he 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 he 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 he 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 he 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 he 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 he 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 he 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 he underplay? can we underplay? can you underplay? can they underplay?	can I be underplaying? can you be underplaying? can he 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 he 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 he 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 he 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 he 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 he 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 he have been underplaying? can't we have been underplaying? can't you have been underplaying? can't they have been underplaying?