Sentence Correction about Wrong use of Case

 Inc: I want your reply at once.

Cor: I want a reply from you.

Inc: I shall take your leave.

Cor: I shall take leave of you.

Inc: I hope to have your good report.

Cor: I hope to have a good report of you.

Inc: I cannot bear your separation.

Cor : I cannot bear separation from you.

Inc: Follow in the steps who is wise

Cor: Follow in the steps of one who is wise.

Inc: Let he and I go.

Cor: Let him and me go.

Inc: Whom are you speaking of?

Cor: Who are you speaking of?

Inc: Everyone except I was present.

Cor: Everyone except me was present.

Inc: There is trouble between he and I.

Cor: There is trouble between him and me.

Inc: He is the man who, they say, arrested.

Cor: He is the man whom, they say, arrested.

Inc: Do you know who you are speaking to?

Cor: Do you know whom you are speaking to.

Inc: The College of whose principal he was is a renowned one.

Cor: The College of which he was the Principal is a renowned one.

Inc: I saw the man whom they thought was dead.

Cor: I saw the man who they thought was dead.  Or, I saw the man whom they thought was dead.

Inc : He is stronger than me.

Cor: He is stronger than I.

Inc: This matter should be discussed strictly between you and I.

Cor: This matter should be discussed strictly between you and me.