老师：Hello, boys and girls. Welcome back at this lesson. We are gone learning Unit 4, Ben and now let's begin. Look, this is Mike's family photo. But what were they like when they were young? What could they do? What couldn't they do? Look at this baby. Who's he? His team. Can you say something about him? Tim was 1 year old. He couldn't walk. What about this girl? This is Mrs. Brown. She was 15 years old. She could cook. Now let's know more family members. A pair of books. Read this part and finish the exercise in checkout time. You should use could and couldn't correctly.
老师：Have you finished? Let's check together. 1 Tim was 1 year old. He could not walk. 2. Helen was 3 years old. She could not draw. 3. Mister Brown was 16 years old. He could read. 4. Mrs. Brown was 15 years old. She could cook. 5. Mike was 6 years old. He could not ride.
老师：Well done. Surprise. And girls, after learning the whole unit, we can have the self evaluations according to the statements in taking time. Let's read them together. 1. I can compare the past with the present tip. I can use blah blah years ago. 3. I can write a passage. I've grown up. At this lesson, we'll have a main task, ride a passage I've grown up. At the end of this lesson, please try to finish the passage.
老师：Okay. Firstly, let's play a game. It's called choose and classify for me some of the words that used in the past and some of them can used in the present. Can you classify them?
老师：Look, I play with iPad now, but I didn't play it in the past, so I put iPad here. And in the past I used films to take photos, but now I don't use them, so I put films here. But I drank tea in the past, and now I still drink tea, so I put tea here.
老师：Do you know how to classify the words? Now when you classified words, don't forget to use the sentences here. You may say like this, in the past, you ate, you played, you used. Now you eat, you play, you use. Think about it.
老师：Now let's check together. In the past, I used the camera to take photos, and I still use camera now, so I put camera here. In the past, I didn't drink coffee, but now I drink coffee every day, so I put coffee here. In the past, I didn't eat pizza or steak, but now I eat them, so I put steak and pizza here. In the past, I ate rice, and now I still eat rice, so I put rice here. In the past, I use the telephone at home, but now I use my mobile phone. In the past, I always watched TV in the evening. Now I sometimes watch TV, so I put TV here. In the past, I didn't have an ebook, but now I have an ebook. I like reading different kinds of books with my ebook, so I put it here. In the past, I went to work by bike, but now I drive my car, my private car. And sometimes I go to work by subway. In the past, I wrote letters to my pen friends, but now
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