English verb conjugation
CAN UNDERACT

Regular verb: underact - underacted - underacted

Affirmation

Simple form	V-ing form
I can underact you can underact she can underact we can underact you can underact they can underact	I can be underacting you can be underacting she can be underacting we can be underacting you can be underacting they can be underacting
Perfect	V-ing perfect
I can have underacted you can have underacted she can have underacted we can have underacted you can have underacted they can have underacted	I can have been underacting you can have been underacting she can have been underacting we can have been underacting you can have been underacting they can have been underacting

Negation

Simple form	V-ing form
I can't underact you can't underact she can't underact we can't underact you can't underact they can't underact	I can't be underacting you can't be underacting she can't be underacting we can't be underacting you can't be underacting they can't be underacting
Perfect	V-ing perfect
I can't have underacted you can't have underacted she can't have underacted we can't have underacted you can't have underacted they can't have underacted	I can't have been underacting you can't have been underacting she can't have been underacting we can't have been underacting you can't have been underacting they can't have been underacting

Interrogative form

Simple form	V-ing form
can I underact? can you underact? can she underact? can we underact? can you underact? can they underact?	can I be underacting? can you be underacting? can she be underacting? can we be underacting? can you be underacting? can they be underacting?
Perfect	V-ing perfect
can I have underacted? can you have underacted? can she have underacted? can we have underacted? can you have underacted? can they have underacted?	can I have been underacting? can you have been underacting? can she have been underacting? can we have been underacting? can you have been underacting? can they have been underacting?

Interro-negative form

Simple form	V-ing form
can't I underact? can't you underact? can't she underact? can't we underact? can't you underact? can't they underact?	can't I be underacting? can't you be underacting? can't she be underacting? can't we be underacting? can't you be underacting? can't they be underacting?
Perfect	V-ing perfect
can't I have underacted? can't you have underacted? can't she have underacted? can't we have underacted? can't you have underacted? can't they have underacted?	can't I have been underacting? can't you have been underacting? can't she have been underacting? can't we have been underacting? can't you have been underacting? can't they have been underacting?