老师：Hello, everyone. I'm your English teacher, Zhang Ronghui from.
学生：Haian Experimental School. Today we are going to learn past perfect tense together. First, let's enjoy some pictures. When you see the picture, who can you think of? Yes, Freud, who was killed by the police innocently.
学生：Black Lives Matter. This is this African Americans appeal. People are marching through the city to protest the unfair treatment. And some people even at the risk of conflicting with the policemen.
学生：From these pictures, we can know what is happening in the city clearly. In fact, these pictures are so great that they are awarded coolest price this year.
老师：How much.
学生：Do you know about the fullest price? And do you know who pushed it?
学生：If you want to know the answer, 10 to page 6 and read the story about Joseph Pouliest and then complete the timeline. Okay, let's check the answer together. In the 1860s, he moved to America and became an American citizen. We can find the answer in line two. And in 1872, he became a publisher. We can find the answer in line seven. By the age of 25, he had become a publisher. In 1878, he founded the Saint Louis Post Dispatch. We can find the answer in line 8. In 1911, police died. We can find the answer in nineteen. In 1912, The Columbia School of journalism was established. We can find the answer in line twenty. Read the story again and find the sentences that use the past perfect tense. The first one has been done for you. By then, he had Learned very little English.
学生：In line 4, have you found them? Let's check the answer. In line 7, we can find the sentence. And by the age of 25, he had become a publisher. In line 12, we can find the sentence. He used the same business strategy he had employed at the Saint Louis Post Dispatch. Okay, where have a timeline? Now, future, past, before, the past. Let's look at the three sentences. When we want to describe something happens in the past, now we will use, did, for example, he used the same business strategy, right? What about. Before the past. What about before the past? What should we use? Look at the three sentence. By then, he had Learned very little English. By the age of 25, he had become a publisher and he used the same business strategy he had employed.
学生：Yes, according to the 3 sentence, we can know we youth had done to describe before the past. From the sentences, we can know the rule. When two events happened in the past, we use, what to describe the former. Yes, had done to describe the former and did to describe the letter. That is to say, we often use the past, perfect tense, to talk about something that happened before a pastime. The verb form of the past perfect tense is had done.
学生：We have Learned that we can use the past perfect tense to talk ab
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