How do you write a leave letter to the teacher for already taken?

You can't write a leave letter *after* you've already taken the leave. A leave letter is written *before* you are absent. If you need to explain a past absence to your teacher, you should write an absence excuse note instead. Here are a few options depending on the reason for your absence:

Option 1: Simple Excuse Note (for a minor, unavoidable absence)

Subject: Absence on [Date(s)]

Dear [Teacher's Name],

Please excuse my absence from class on [Date(s)]. I was [briefly explain reason, e.g., unwell, had a doctor's appointment].

Sincerely,

[Your Name]

[Your Class]

Option 2: Excuse Note with Supporting Documentation (for a more significant absence)

Subject: Absence on [Date(s)] - [Your Name]

Dear [Teacher's Name],

Please excuse my absence from class on [Date(s)]. I was [briefly explain reason, e.g., attending a family emergency, recovering from an illness]. I have attached [documentation, e.g., doctor's note, letter from parent/guardian].

Sincerely,

[Your Name]

[Your Class]

Option 3: Request to Make Up Missed Work (after an absence)

Subject: Missed Work - [Date(s)] - [Your Name]

Dear [Teacher's Name],

I was absent from class on [Date(s)] due to [briefly explain reason]. I understand I missed [mention specific assignments or tests]. Could you please let me know how I can make up this missed work?

Sincerely,

[Your Name]

[Your Class]

Remember to be honest and concise in your explanation. If you have any supporting documentation (like a doctor's note), include it. Always maintain a respectful and polite tone.