Unit 4 Then and now 复习课件(共48张PPT)

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Unit 4 Then and now 复习课件(共48张PPT)

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(共48张PPT)
Unit 4 Then and now
Part A
● 词汇巧记
● 课文翻译
● 句型透析
● 易混易错
拓展 当动词讲时,可意为“(向警方)告密;告发”
例句 Don’t walk on the grass.
勿践踏草坪。
短语 go to the gym 去体育馆
例句 I often go to the gym
with my classmates. 我经
常和同学们去体育馆。
Part A
拓展 近义词 before
在……之前
例句 My aunt had long hair two years ago.两年前我的阿姨留着长发。
短语 famous building
著名建筑物
例句 There are many buildings in our city.
我们城市有许多建筑。
拓展 形近词 start 开始
例句 I saw a lot of stars last
night. 我昨晚看见了许多星星。
拓展 反义词 difficult 困难的
例句 It’s easy for the boy to
study maths. 对于这个男孩来说学数学很容易。
Let's talk 一起说
Grandpa: Wow, a library! There was no library in my old school. Sarah: Tell us about your school, please. Grandpa: There was only one small building on a hill. Wu Binbin: Could you see stars at night Grandpa: Yes, I liked the stars. 爷爷:哇,一个图书馆!我以前的学校里没有图书馆。
萨拉:请给我们讲讲您的学校吧。
爷爷:在山上只有一个小小的建筑。
吴斌斌:您晚上能看见星星吗?
爷爷:是的,我喜欢星星。
Let's talk 一起说
Sarah: Me too. One day I’m going to visit the moon. Wu Binbin: The Americans took about five days to get there in 1969. Sarah: How do you know that Wu Binbin: Easy, I looked it up on the Internet. 萨拉:我也喜欢。 将来某一天我会去参观月球。
吴斌斌:1969年美国人花了大约五天到达那里了。
萨拉:你怎么知道的?
吴斌斌:很容易。 我在网上查到的。
续表
Let's talk 一起说
Grandpa: Ah! There were no computers or Internet in my time. 爷爷:哦! 在我那时候没有计算机和网络。
续表
Let’s learn 一起学
Wu Binbin’s father: There was no gym in my school thirty years ago. Wu Binbin: Now there’s a new one in our school. ... years ago ... months ago last year last month dining hall grass gym 吴斌斌的父亲:三十年前我的学校里没有体育馆。
吴斌斌: 现在我们学校有一个新的体育馆。
……年以前 ……月以前 去年
上个月 饭厅 草坪 体育馆
续表
1.(教材P.34) There was no library in my old school.我以前的学校里没有图书馆。
[句型结构] There was+no+名词单数+地点. 某地以前没有某物。
解析此句型为there be句型的一般过去时中的单数句, 表示“过去某地没有某单数物”。
例句 There was no swimming pool in my old school. 我
以前的学校里没有游泳池。
2.(教材P.34) Tell us about your school, please. 请给我们讲讲您的学校吧。
[句型结构] Tell+sb.+about... 给某人讲讲……
解析 该句型意为“给某人讲讲某物、 某人或某事”。 其中“tellsb. about sth.”是一个固定搭配,意为“告诉某人关于某事”。“about”意为“关于”。
例句 Tell us about your friends. 给我们讲讲你的朋友们吧。
3.(教材P.34) How do you know that 你怎么知道的?
[句型结构] How+助动词+主语+know that ……如何知道的?
解析 此句型意为“某人怎么知道的”。 how是疑问副词,常用于询问“方式; 方法”;know意为“知道”。
例句 How does she know that 她怎么知道的?
4.(教材P.34) There were no computers or Internet in my time. 我那时候没有电脑也没有网络。
[句型结构] There were+no+名词复数+其他. ……没有……
解析 此句型为there be句型的一般过去时的复数句,表示“过去没有某复数物”。
例句 There were no magazines in my time. 我那时候没
有杂志。
辨析look up和look for
look up 意为“(在词典中或通过电脑)查阅”。
例句 You can look it up on the Internet. 你可以在网上查找。
look for 意为“寻找(强调动作)”。
例句 Lily is looking for her key. 莉莉正在找她的钥匙。
Unit 4 Then and now
Part B
● 词汇巧记
● 课文翻译
● 句型透析
● 易混易错
● 语法
● 写作指导
短语 go cycling
去骑自行车
例句 Let’s go cycling. 让我们去骑自行车吧。
拓展 同义词 skate 滑冰
例句 I like ice-skating in
winter.我喜欢在冬天滑冰。
Part B
短语 play badminton
打羽毛球
例句 My sister likes playing
badminton best.我姐姐最
喜欢打羽毛球。
Let's talk 一起说
Chen Jie: John, come and look at Mike’s old photos! John: That’s funny, Mike! You’re wearing a pink T-shirt. Mike: Yes, but I don’t like pink now. Chen Jie: We are all different now! 陈杰:约翰,来看看迈克的旧照片!
约翰:迈克,真有趣! 你穿着一件粉色的T恤衫。
迈克:是的,但是我现在不喜欢粉色了。
陈杰:我们现在都不同了!
Let's talk 一起说
Mike: Right. Before, I was quiet. Now, I’m very active in class. How about you John: Well, I was short, so I couldn’t ride my bike well. Now, I go cycling every day. I like it very much. Chen Jie: That’s good exercise. 迈克:对。 以前我很安静。 现在我在课上很活跃。 你呢?
约翰:哦,我以前个子矮,所以我不能很好地骑自行车。现在,我每天骑自行
车。 我非常喜欢骑自行车。
陈杰:那是很好的锻炼
续表
Let’s learn 一起学
Wu Binbin: I didn’t like winter before. I thought it was too cold, and I couldn’t go cycling. Mike: How about now Wu Binbin: Now I love to ice-skate, so I like winter. go cycling ice-skate play badminton 吴斌斌: 我以前不喜欢冬天。 我认为冬天太冷了,而且我不能骑自行车。
迈克:现在呢?
吴斌斌:现在我喜爱滑冰,所以我喜欢冬天。
骑自行车
滑冰 打羽毛球
续表
Read and write 读一读,写一写
What a dream! Wu Binbin had a race with his father and Max.There were many people there. His father ran very fast, but Wu Binbin could not. There was nothing he could do. He was so worried.“I could run fast atschool,” he thought.“Why am I so slow now ” 多美的梦啊!
吴斌斌和他的爸爸还有麦克斯举行了一场比赛。那儿有很多人。他的爸爸跑
得很快,但是吴斌斌跑不快。他什么也不能做。 他非常担心。“在学校我能跑得很快,”他想“, 为什么我现在这么慢? ”
续表
Read and write 读一读,写一写
There was a second race. There were many animals in that race. Wu Binbin 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! 还有一场比赛。 在那场比赛中有很多动物。吴斌斌跑得像猎豹。他能赢得比赛!但是突然他绊了一下摔倒了。然后他醒了。 他在床上。 原来是个梦啊!
续表
1.(教材P.36) Before, I was quiet. Now, I’m very active in
class. 以前我很安静。 现在我在课堂上很活跃。
[句型结构] Before+一般过去时的句子. Now+一般现在时的句子. 以前……现在……
解析 此句型通常用于表达过去与现在的区别。 其中“before”意为“以前”,通常用于一般过去时。“now”意为“现在”,通常用于一般现在时或现在进行时。
例句 Before, she was shy. Now, she is so outgoing. 以前她很害羞。 现在她很外向。
2.(教材P.36) Well, I was short, so I couldn’t ride my bike
well. Now, I go cycling every day. 哦, 我以前个子小,自
行车骑得不好。 现在我天天骑车。
[句型结构] (Before,)主语+couldn’t+其他. Now, 主语(+can)+其他.(以前)我不会/ 能……现在我可以/ 能……
解析 此句型主要表达:过去某人不会做某事,现在某人可以/ 会做某事。
例句 句 I was fat, so I couldn’t swim well. Now I swim in the swimming pool every day. 我以前胖,游泳游得不好。 现在我天天在泳池游泳。
play的用法
1. 表示“打/踢”球,后接表示球类的名词,play和球类名词中间不加任何冠词。
例句 I like to play badminton. 我喜欢打羽毛球。
Leo is playing football with his father. 里奥正在和他的爸爸踢足球。
2. 表示“演奏”乐器,后接表示乐器的名词,play和乐器名词中间要加the。
例句 She often plays the piano on the weekend. 她经常周末弹钢琴。
Do you like playing the pipa 你喜欢弹琵琶吗?
3. 表示“打(牌)”,不与冠词连用。
例句 Li Ming is playing cards in the living room. 李明正在客厅打牌。
三大时态讲解
现在进行时
1. 句子分类
(1)第一人称单数+am+动词ing+其他成分.如:
I am doing my homework. 我正在写作业。
(2)第二人称单数/ 所有人称复数+are+动词ing+其他成分.如:
You are drawing. 你正在画画。
They are playing football. 他们正在踢足球。
The cats are running. 猫正在跑。
(3)第三人称单数+is+动词ing+其他成分.如:
She is swimming. 她正在游泳。
It is eating grass. 它正在吃草。
Lynn is sleeping in her room. 琳恩正在房间里睡觉。
2. 句子的构成
(1)肯定句:主语+be(am/ is/ are)+动词ing+其他成分.
(2)否定句:主语+be(am/ is/ are)+not+动词ing+其他成分.
(3)一般疑问句:Be(Am/ Is/ Are)+主语+动词ing+其他成分 肯定回答为“Yes,主语+be(am/is/ are).”;否定回答为“No,主语+be(am/ is/ are)+not.”。 如:
—Are they writing letters 他们正在写信吗?
—Yes, they are./ No, they aren’t. 是的,他们正在写信。 /不,他们没在写信。
(4)特殊疑问句:特殊疑问词+be(am/ is/ are)+主语+动词ing+其他成分
3. 现在分词的变化规则
4. 现在进行时的用法
(1)表示现在(指说话人说话时)正在发生的事情,往往与now, at the moment, look, listen等词或短语连用。 如:
We are waiting for you now. 我们现在正在等你。
(2)可用still一词强调动作的持续性。 如:
He is still talking with his friends in his room. 他还在房间里和朋友谈
(3)现在进行时表将来。 come, go, arrive, leave, start, begin和return这些单词,用现在进行时可以表示将来。 如:
He is arriving tomorrow afternoon. 他明天下午到。
Li Ming is coming soon. 李明很快就到了。
一般过去时的否定句
1. 含有be动词的一般过去时,其否定句型是:主语+was/ were+not+其他.
例句 Li Ming was at home last night. 李明昨晚在家。
Li Ming was not at home last night. 李明昨晚不在家。
You were late this morning. 你今天早上迟到了。
You were not late this morning. 你今天早上没有迟到。
2. 含有实义动词的一般过去时,其否定句型是:主语+didn’t+其他.
例句 I watched TV last night. 我昨天晚上看电视了。
I didn’t watch TV last night. 我昨天晚上没有看电视。
3. 含有情态动词的一般过去时,其否定句型是:主语+couldn’t+其他.
例句 We could eat the fruit. 我们可以吃水果。
We couldn’t eat the fruit. 我们不可以吃水果。
一般将来时
be going to句型可以表示一般将来时,通常是指按计划、安排、打算要做的事情或者已有迹象显示可能发生的事情。
1. 肯定句
主语+ be动词+ going to +动词原形+其他.
例句 I am going to watch TV after dinner. 晚饭后我打算看电视。
She is going to Beijing tomorrow. 她明天将要去北京。
The children are going to make a snowman. 孩子们打算堆一个雪人。
2. 否定句
主语+ be动词+ not+ going to +动词原形+其他.
例 句 I’m not going to swim. 我不打算去游泳。
She’s not going to go there on foot. 她不打算步行去那里。
They are not going to buy the apples. 他们不打算买这些苹果。
3. 一般疑问句
Be动词+主语+ going to +动词原形+其他
肯定回答:Yes,主语+ be动词.
否定回答:No,主语+ be动词+ not.
例句 —Is he going to buy a car 他打算买一辆车吗
—Yes, he is. 是的,他打算买。
—Are you going to take a trip 你打算去旅行吗
—No, I’m not. 不,我不打算去。
4. 特殊疑问句
特殊疑问词+ be动词+主语+ going to +动词原形+其他
例句 What are you going to do 你打算做什么
When is she going to cook the meals 她打算什么时候做饭
如何写“谈论事物和人物的今昔变化”小作文
思维导图
经典好文
Changes of My Family
Hi, I’m Wang Tao. My family have changed a lot in the past few years.
Now we live in a building in the town. But seven years ago we lived in the countryside.Before, there was an old telephone in my home. But now my parents use smart phones. I also have a computer. It’s helpful for my study. My parents went to work by bike before, but now they go to work by car.
The life of my family is getting better and better. I feel very happy for the changes of my family.

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