English verb conjugation
CAN FEIGN

Regular verb: feign - feigned - feigned

Affirmation

Simple form	V-ing form
I can feign you can feign he can feign we can feign you can feign they can feign	I can be feigning you can be feigning he can be feigning we can be feigning you can be feigning they can be feigning
Perfect	V-ing perfect
I can have feigned you can have feigned he can have feigned we can have feigned you can have feigned they can have feigned	I can have been feigning you can have been feigning he can have been feigning we can have been feigning you can have been feigning they can have been feigning

Negation

Simple form	V-ing form
I cannot feign you cannot feign he cannot feign we cannot feign you cannot feign they cannot feign	I cannot be feigning you cannot be feigning he cannot be feigning we cannot be feigning you cannot be feigning they cannot be feigning
Perfect	V-ing perfect
I cannot have feigned you cannot have feigned he cannot have feigned we cannot have feigned you cannot have feigned they cannot have feigned	I cannot have been feigning you cannot have been feigning he cannot have been feigning we cannot have been feigning you cannot have been feigning they cannot have been feigning

Interrogative form

Simple form	V-ing form
can I feign? can you feign? can he feign? can we feign? can you feign? can they feign?	can I be feigning? can you be feigning? can he be feigning? can we be feigning? can you be feigning? can they be feigning?
Perfect	V-ing perfect
can I have feigned? can you have feigned? can he have feigned? can we have feigned? can you have feigned? can they have feigned?	can I have been feigning? can you have been feigning? can he have been feigning? can we have been feigning? can you have been feigning? can they have been feigning?

Interro-negative form

Simple form	V-ing form
can I not feign? can you not feign? can he not feign? can we not feign? can you not feign? can they not feign?	can I not be feigning? can you not be feigning? can he not be feigning? can we not be feigning? can you not be feigning? can they not be feigning?
Perfect	V-ing perfect
can I not have feigned? can you not have feigned? can he not have feigned? can we not have feigned? can you not have feigned? can they not have feigned?	can I not have been feigning? can you not have been feigning? can he not have been feigning? can we not have been feigning? can you not have been feigning? can they not have been feigning?