... 3. Skills: - Listening, speaking and writing. II. Teaching aids: - Textbook, chalk, board. III. Procedures: Teacher's activities Students' activities 1. Homework checking: - ... part II: 10 1. If I had been working at the restaurant last night, I would have waited on your table. 2. If they had been paying attention, they would have seen the sign marking 3. If Carol ... revise what they have learned in Unit 9, Unit 10 and Unit 11. 2. Knowledge: - General knowledge in Unit 9, Unit 10 and Unit 11. - Language: Pronunciation and grammar in the above units....