I am yet to receive your feedback. (Questionable. Some people use it; some people say it's wrong.) I have yet to receive your feedback. (Correct) I have not yet received your feedback. (Correct) Though the most natural way to say it would be: I haven't received your feedback yet. This problem is yet to be closed. (Questionable. Some people use it; some people say it's wrong.) This problem has yet to be closed.(Correct) This problem has not yet been closed. (Correct) Most natural: This problem hasn't been closed yet.

Not sure what you are asking