Help with Questions to Macbeth : Act II, Scene 2

Act II, Scene 2

1. What has Lady Macbeth done to the grooms?
2. Why does Lady Macbeth not commit the murder when she is in the room?
3. Macbeth, apparently troubled by the murder he has just committed, tell Lady Macbeth what he saw and heard. She tells him, “These deeds must not be thought.” Why?
4. Macbeth’s response is frequently quoted. What is the sense of his response
5. In his scene, how does Lady Macbeth show herself tobe stronger than her husband?