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thing that happens in the future. T: Exactly! Step Ⅲ Explanation Get the students to talk about the different forms of the past tense and the future tense. T: We have learned what the past tense is and what the future tense is. There are many forms of each tense. Let’s deal with the past tense first. Please look at the following sentences. Show students the following sentences. 1. Sang Lan was born in Ningbo, China in 1981. 2. She knew that in those years she was making her parents proud. 3. Instead of crying about what she had lost, Sang Lan thought about what she could do to get better. 4. By the time she peted in the New York Goodwill Games, she had been a dedicated junior gymnast for eleven years. T: First, look at the four sentences. Do they have something in mon? S: Yes! They all use the past tense. T: But there are also differences among them. Can you tell the differences? Next, discuss with your partners. Pay attention to the italic words. Several minutes later. T: Can you show your opinions now? Ss: Yes. S: In the first sentence we use the simple past tense to talk about some thing happened in the past. T: Very good. What about the second sentence? S: I think it means something happened in the past and continued for some time. T: Very good! Thank you! Now let’s move to the last two sentences. S: They are both used in the past perfect tense. By looking at the two sentences, I think we use the past per fect tense to talk about things that happened in the past and stopped before another past action began. T: Excellent! But I think you are partly right. Do the two sentences express the same meaning? S: The fourth sentence means the thing happened in the past and at that time another past action began. T: That’s it! Just now we talked about differ