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and said, “I believe you are a good and honest student.” Tina’s face turned red and she realized she was wrong and told the truth to her teacher. Step V Grammar Focus (P77) T: Look at the Grammar Focus box on page 77. Now who’d like to read the sentences to the class? Ask a student to read the sentences in the box. T: Well done. Now we know that when we talk about things that happened before past events, we often use Past Perfect tense. Well, do you know the differences between Present Perfect tense and Past Perfect tense? Show the following to the Ss. (1) She has taught English for 6 years. (2) “Where is Susan” “She has gone to America”. 表示過去某時發(fā) 生的動作,這動作可能剛剛停止 ,也可能還在進行。 (1) She said she had taught English for 6 years. (2) By the time I got to London, she had gone to America. 表示過去某時之前發(fā)生的動作。 Point out the differences between the sentences above. T: From the above examples, we can see the differences between Present Perfect tense and Past Perfect tens. So we can reach the following conclusion: Show the following to the Ss. 現(xiàn)在完成時 : 主語 + have / has done 過去完成時 : 主語 + had done T: Now read the following examples aloud. And observe how Past Perfect tense is used in them. And then translate them into Chinese. Show the following to the Ss and ask them to read aloud. 1. By the time she got to school, she realized she had left her backpack at home. 2. By the time I woke up, my father had already been into the bathroom. 3. When she got to the bus stop, the bus had already left. 4. When the doctor arrived, the patient had died. T: Who’d like to translate them into Chinese? Volunteer? S: 1. 她到學校以后才意識到把背包落在家里了。 2. 我早上醒來的時候爸爸就已經(jīng)在浴室洗澡了。 3. 當她趕到車站的時候,車已經(jīng)走了。 4. 當醫(yī)生趕到的時候,病人已經(jīng)死了。 T: Good translations. Now look at the following sentences on the screen. Can you put them into English? Show the following sentences on the screen. 1. 到 那時,他已經(jīng)交了一些朋友。 2. 到那 時她已完成了那項任務。 3. 在我見到她以前 ,她認識我哥哥已經(jīng)兩年了。 4. 我到火車站時,火車已經(jīng)開了。 Sample answers: 1. By that time, he had already made some friends. 2. By that time, she had already finished the job. 3. She had known my brother for two years before I met her. 4. When I got to the railway station, the train had already left. Step VI Homework T: Listen to the listening material repeatedly and get familiar with the expressions used to narrate past events.