TEFL ( Teaching English as a Foreign Language

1. Social Letters
1.1 Employment letter
1.2 Application letter
1.3 Letter of invitation for an interview
1.4 Reply to letter of invitation for an interview
1.5 Acceptance letter
1.6 Letter of refusal
1.7 Letter of resignation
1.8 Letter of ticket reservation
1.9 Appreciation letter
1.10 Letter of invitation
1.11 Letter of congratulation
1.12 letter of introduction
1.13 Letter of condolence

2. Business Letters
2.1 Inquiry letter
2.2 Reply to inquiry
2.3 Order letter
2.4 Reply to order
2.5 Complaint letter
2.6 Adjustment letter
2.6 Collection letter
2.7 Insurance letter
2.8 Credit letter
2.9 Banking letter

3. Personal Letters
3.1 Friendship letter
3.2 Family letter
3.3 Love letter

FORMS OF BUSINESS LETTER
1. Block Style
2. Full-Block Style
3. Semi-Bolock Style
4. Hanging Style
5. Indented Style