Ⅰ. Teaching aims:
Enable the Ss to grasp the non-restrictive attributive clauses and question tags
Ⅱ. Teaching important points:
How to use correctly non-restrictive attributive clauses and question tags
Ⅲ. Teaching difficult points:
The function and formation of the non-restrictive attributive clauses and question tags
Ⅳ. Teaching methods:
