Apology

• Meeting putting off
• Damaging borrowed something

Appreciation

• Appreciating teacher for teaching English
• Appreciating manager for working

Suggestion

• Suggestion for visiting in Beijing
• Suggestion for starting up business

Complaint

• Broken microwave oven
• Complaining about a dog

Invitation

• Moving to the new house

Application

• Insurance claim
• Application for a business trip

Request

• Requesting for school accommodation
• Losing the certificate
• Request information about a historical object
• Request a reference letter
• Buying a present for a baby
• Lost my bag