The document provides teaching materials on writing invitations in English for personal communication. It includes an introduction outlining the purpose and relevance of learning about invitations. The main section defines invitations, discusses their social function and generic structure through examples. Students are asked to analyze invitation texts and complete tasks. A discussion forum allows students to share their understanding. The closing section summarizes that invitations request attendance at events through expressing social functions, structures and language features. A formative test assesses comprehension of invitation texts.