... this Period 12 Lesson 6 : Language focus A / Aims and objectives : By the end of the lesson , Ss will be able to consolidate the present perfect with Sine , For , Yet , Already . - The ... 2 min S 2: Yes , I have . S 1: When did you go to Hue ? S 2: Last year . - Call on some pairs to practice in front of class. - Remark and correct mistakes if any . 4. The passive voice : ... them to do it Example : S 1: Have you seen Giac Lam pagoda yet ? S 2: Yes , I have already seen it . S 1: Have you eaten Vietnamese food yet ? S 2: No , I have not . - Ask Ss to work in pairs...