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