Task 1

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