Unit 9  My favorite subject is science.
Teaching design:
Topic: Favorite subjects
Function: Preferences and give reasons.
Vocabulary: subject, science, biology, P.E., because
Structures: —— What’ s your favorite subject?
       —— My favorite subject is       …
       —— Why do you like it?
       —— Because it   ’s …
Goals:
1.  To be able to talk about favorite subjects.
2.  To be able to give reasons by using the description words.
3.  To know more about their friends        ’ favorite things  ...