I think she knows him well enough to tell him from the other Scotsmen. If you mean "tell" in the sense of imparting information to someone, you must specify what she is supposed to be telling him.
Lady Macbeth uses manipulation, guilt-tripping, and psychological pressure to persuade Macbeth to kill King Duncan in Shakespeare's play 'Macbeth.' She questions his masculinity, implores him to prove himself as a man, and challenges his ambition, ultimately playing on his insecurities to push him towards the murderous deed. Lady Macbeth demonstrates her cunning and persuasive abilities throughout the play to achieve her ambitious goals.
She tells him he will not be a man until he has done it, and questions his love for her. Then she tries seducing him until he gives in.
rhetorical questions e.g "was the hope drunk wherein you dressd yourself?" Act 1 scene 7
She questions Macbeth's masculinity, calls him weak, and uses her sexuality to persuade him.
How does lady macbeth cover for macbeth at the banquet?
Lady Macbeth is the wife of the title character, Macbeth, a Scottish nobleman.
She rang a bell to notify Macbeth the coast was clear.
Lady Macbeth
Lady Macbeth is often portrayed as a fourth witch.
The reaction between Lady Macbeth and Macbeth is initially very different after they kill Duncan. Lady Macbeth is enthusiastic but Macbeth regrets his actions.
Tension -Apex
Lady Macbeth
The only thing I can think of is Shakespeare's Macbeth, where the main character (Macbeth)'s wife influences her husband to kill. You should look for the perswasive techniques Lady Macbeth uses to achieve this.
Grouch It should be Gruoch.... She was Lady Gruoch of Scotland before she married Macbeth. Throughout the play she is usually referred to as Lady Macbeth.
Lady Macbeth tells Macbeth to hide his emotions and actions.
Macbeth wrote Lady Macbeth a letter describing his encounter with the witches. Lady Macbeth reads it out at the beginning of Act I Scene 5