Post the paragraph or excert that goes with your question and i will gladly help you......
Answer:
First.
She uses the personal pronoun of "i"
Explanation:
“Because I got you to look after me, and you got me to look after you, and that’s why”
I think Lady Macbeth wasn't involved at all because Macbeth does not tell her. Also, Macbeth does not want to keep her worried. So Macbeth says "Be innocent of the knowledge, dearest chuck, / Till thou applaud the deed.". This means that Macbeth is telling Lady Macbeth to digest the deed about Duncan first. This is what i remember its been a while since i read the book. But hope this helps.