Unit FourThen and nowPart A Lets try Lets talk Lets learn Part B Lets try Lets talk Lets learn Read and write Lets wrap it upLets tryToday, there is a guest visiting the school. Listen and tick or cross.返回首页返回首页The school changed a little.Grandpa could use computers when he was at school.A:Wow, a library! There was no library in my old school.B:Tell us about your school, please.A:There was only one small building on a hill.C:Could you see stars at night?A:Yes, I like the stars.B:Me too. One day Im going to visit the moon.C:The Americans took about five days to get there in 1969.B:How do you know that?C:Easy. I looked it up on the Internet.A:Ah! There were no computers or Internet in my time.Lets talk返回首页返回首页What was Grandpas school like?返回首页返回首页返回首页返回首页What was your school like five years ago? What is it like now? Draw and talk.5 yeas agoThere wasThere wereNowThere isThere areThere be句型的过去时句型的过去时我们已经学过了我们已经学过了there be句型的一般现在时，句型的一般现在时，当当there be遇到过去的时间，我们只需要将遇到过去的时间，我们只需要将be动词换成相应的过去式形式就可以了。动词换成相应的过去式形式就可以了。例如：例如：There is a cat in the room. There was a cat in the room. There are some birds in the tree. There were some birds in the tree.返回首页返回首页跟跟我我学学There wasThere wereOne year ago看图说一说！看图说一说！看看冬冬的房间一年前后的变化！看看冬冬的房间一年前后的变化！返回首页返回首页There isThere areNow返回首页返回首页返回首页返回首页dining hallgymgrassLets learn饭厅饭厅years agomonths agolast yearlast monthgr ss 返回首页返回首页ioag补全单词！补全单词！d ning hallymag返回首页返回首页There was no gym in my school ten years ago.Now theres a new one in our school.1.What art they talking about? A. Mikes hobby. B. Mikes old photos.2.What grade was Mike in? A. Grade 1. B. Grade 5.Mikes friends are visiting his home. Listen and circle.返回首页返回首页Lets tryLets talkA:John, come and look at Mikes old photos!B:Thats funny. Mike! Youre wearing a pink T-shirt.C:Yes, but I dont like pink now.A:We are all different now!C:Right. Before, I was quiet. Now, Im very active in class. How about you?B:Well. I was short, so I couldnt ride my bike well. Now, I go cycling every day. I like it very much.A:Thats good exercise.返回首页返回首页Talk about your friends or family members. How did they change?返回首页返回首页wasnt tall/had long/hairdidnt wear glasses/didnt like maths/didnt like cats/didnt like eggs/跟跟我我学学返回首页返回首页BeforeNow来来对比比同学们若想对比他人或自己以前和现在的变化，同学们若想对比他人或自己以前和现在的变化，不妨用不妨用“beforenow”。例如迈克在文中提到。例如迈克在文中提到“Before, I was quiet. Now, Im very active in class.”返回首页返回首页看一看，说一说。看一看，说一说。大大显身身手手Before,Now,go cyclingice-skateplay badminton返回首页返回首页Lets learnWu Yifan:I didnt like winter before. I thought it was too cold, and I couldnt go cycling.Mike:How about now?Wu Yifan:Now I love to ice skate and play in the snow.返回首页返回首页Tell your partner:1.What animal can run very fast?2.What makes you feel worried?返回首页返回首页Read and writeWhat a dream!Wu Yifan had a race with his father and Max. there were many people there. His father ran very fast, but Wu Yifan could not. There was nothing he could do. He was so worried. “I could run fast at school,” he thought. “Why am I so slow now?”Then Robin said, “Drink this!” and gave Wu Yifan some water. Wu Yifan drank it and suddenly he felt good. He could run fast again.There was a second race. There were many animals in that race. Wu Yifan ran like a cheetah. He could win the race! But suddenly he tripped and fell. Then he woke up. He was in bed. It was all a dream!返回首页返回首页一、你能找出文中单词一、你能找出文中单词 的过去式吗？的过去式吗？二、下列单词过去式的原形二、下列单词过去式的原形 形式你知道吗？形式你知道吗？ feltthought woke tripped返回首页返回首页Wu Yifan:Mum, I _ an interesting dream last night.Mum:What did you dream about?Wu Yifan:I had a race with Dad and Max. But I _ _ _.Mum:What happened then?Wu Yifan:Robin _ me some water. I _ it and then could run very fast. Suddenly I tripped and fell. Then I woke up.Mum:What a dream!Wu Yifan is telling his mother about the dream. Listen and fill in the blank.返回首页返回首页couldnthadrunfastgavedrankI had a dream last night. In my dream, I_What a dream!Did you have an interesting dream? Tell your dream to your partner. Then write several sentences about it.返回首页返回首页Lets wrap it upChanges are all around us. Talk about the changes below.返回首页返回首页It was raining.Now.In summer, the tree was green. Now.There was a building before. Now.爱护草坪爱护草坪人人有责人人有责返回首页返回首页It was an egg.Now.Chen Jie was short. Now she is 1.5 metres tall.The cat was on the chair. Now.1.5米米一、看图说短语。一、看图说短语。课课后后练练习习返回首页返回首页go cyclingice-skateplay badminton二、看图说一说。二、看图说一说。返回首页返回首页Three years agoNow