I can feign you can feign he can feign we can feign you can feign they can feign
V-ing form
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
I can have feigned you can have feigned he can have feigned we can have feigned you can have feigned they can have feigned
V-ing perfect
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
I cannot feign you cannot feign he cannot feign we cannot feign you cannot feign they cannot feign
V-ing form
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
I cannot have feigned you cannot have feigned he cannot have feigned we cannot have feigned you cannot have feigned they cannot have feigned
V-ing perfect
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
can I feign? can you feign? can he feign? can we feign? can you feign? can they feign?
V-ing form
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
can I have feigned? can you have feigned? can he have feigned? can we have feigned? can you have feigned? can they have feigned?
V-ing perfect
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
can I not feign? can you not feign? can he not feign? can we not feign? can you not feign? can they not feign?
V-ing form
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
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?
V-ing perfect
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?