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 cannot underact you cannot underact she cannot underact we cannot underact you cannot underact they cannot underact	I cannot be underacting you cannot be underacting she cannot be underacting we cannot be underacting you cannot be underacting they cannot be underacting
Perfect	V-ing perfect
I cannot have underacted you cannot have underacted she cannot have underacted we cannot have underacted you cannot have underacted they cannot have underacted	I cannot have been underacting you cannot have been underacting she cannot have been underacting we cannot have been underacting you cannot have been underacting they cannot 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 I not underact? can you not underact? can she not underact? can we not underact? can you not underact? can they not underact?	can I not be underacting? can you not be underacting? can she not be underacting? can we not be underacting? can you not be underacting? can they not be underacting?
Perfect	V-ing perfect
can I not have underacted? can you not have underacted? can she not have underacted? can we not have underacted? can you not have underacted? can they not have underacted?	can I not have been underacting? can you not have been underacting? can she not have been underacting? can we not have been underacting? can you not have been underacting? can they not have been underacting?