Unit1__SectionA（1a-1c）精品课件.ppt

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1、Unit1How can we become good learners？How do you go to school ?- I go to school by bus.How do you study for a test ?- I study by listening to the tapes.How do you learn English?- I study by studying with a group.working with friends reading the textbook making word cardsHow do you study for an Englis

2、h test ? I study by . making vocabulary listsreading aloudwatching English-language videoslistening to tapesasking the teacher for help How do you study for an English test ? I study by working with friends.watch an English movietake English classescommunicate with foreigners study with a group surf

3、 the Internet.read in the libraryjoin a clubHow does he/she learn English ? He /She learns byHow do they learn English ? They learn by. “by + 动名词动名词”常常表示手段、方常常表示手段、方式或方法，可以用来回答式或方法，可以用来回答how引导引导的特殊疑问句。的特殊疑问句。- How do you learn English?- I learn English by watching English movies.Explanation by 的用法的用

4、法 介词介词, 表示通过表示通过方法或途径的意思方法或途径的意思, 译成译成“靠靠, 通过通过”, 后面可加名词或名词短语。后面可加名词或名词短语。1) The house was destroyed by fire. 房屋被火烧毁了。房屋被火烧毁了。2) travel by air /land/sea. 航空（陆路，航海）旅行航空（陆路，航海）旅行3) go by train /boat/ bus 乘火车（船，公共汽车）去乘火车（船，公共汽车）去4) shake sb. by the hand 和某人握手和某人握手5) I study English by watching English

5、movies. 我通过看英文电影学英语。我通过看英文电影学英语。 另外另外, by作为介词的意义有很多作为介词的意义有很多, 例如例如: 1）在）在旁边，靠近旁边，靠近 There is a power station by the river. 河边有一个电厂。河边有一个电厂。 2）沿着，经由）沿着，经由 come by the highway 由公路由公路来来 3）由于）由于 bymistake 由于差错由于差错 4）被，由）被，由 some articles written by Lu Xun一些由鲁迅写的一些由鲁迅写的文章文章 5）表示面积）表示面积 a room 5m by 4m 一

6、间长五米宽四米的房间一间长五米宽四米的房间 6）逐批）逐批 one by one 一个接一个一个接一个 Check ( ) the ways you study for an English test. Then add other ways you sometimes study._a. by working with friends_b. by making word cards_c. by reading the textbook_d. by listening to tapes_e. by asking the teacher for help _1a1a1b1bListen. How

7、 do these students study for a test? Write letters from 1a above. _ 1. Meiping _ 2. Peter _ 3. TonybedI study by makingword cards.1c1cA: How do you study for a test?B: I study by working with a group.现在完成时现在完成时 (Present Perfect) 现在完成时表示过去发生的某一动作对现在完成时表示过去发生的某一动作对现在造成的影响或产生的结果；或这一动作开现在造成的影响或产生的结果；或这一

8、动作开始于过去，持续到现在，并将继续下去。始于过去，持续到现在，并将继续下去。构成：构成：1. 肯定句肯定句现在完成时的肯定句式是现在完成时的肯定句式是“have (has)过去分词过去分词”。 注意：该句式中的注意：该句式中的have或或has是助动词，是助动词，has用用于第三人称单数，其它人称一律用于第三人称单数，其它人称一律用have。2. 否定句否定句：现在完成时的否定句式是：现在完成时的否定句式是 “havent（hasnt）过去分词）过去分词”。3. 疑问句：疑问句：现在完成时的一般疑问句式现在完成时的一般疑问句式 是把助动词是把助动词have或或has提到主语之前提到主语之前。

9、 回答用回答用Yes, have (has). /No, havent (hasnt).连用时间状语连用时间状语：already, yet, ever, never, just, before, several times 等。等。注意：注意：当当have被用在现在完成时态中时，被用在现在完成时态中时，它可以和前面的代名词一起组成缩写形式。它可以和前面的代名词一起组成缩写形式。我曾经到过纽约。我曾经到过纽约。Ive been to New York once before. 我刚丢了我的铅笔盒。我刚丢了我的铅笔盒。 Ive just lost my pencil-box.注意：注意：never

10、, ever一般置于助动词一般置于助动词have/has之后，过去分词之前之后，过去分词之前。1. never 从来没有，从不，表示否定从来没有，从不，表示否定 He has never seen such a tall building. 他他从未从未见过这么高的楼。见过这么高的楼。2. ever 曾经，主要用于疑问句曾经，主要用于疑问句 Have you ever wanted to travel around the world? 你你曾经曾经想要周游世界吗？想要周游世界吗？have been to与与have gone to 的区别的区别 1. have (has) been to意为

11、意为“曾经去过某地曾经去过某地”，表表示现在已经不在那里了。可与示现在已经不在那里了。可与just, ever, never等连用。等连用。如：如：Ive just been to the post office. 我刚才去邮局了。我刚才去邮局了。Have you ever been to Hangzhou? 你曾经去过杭州吗？你曾经去过杭州吗？Mary has never been to the Great Wall. 玛丽从未去过长城。玛丽从未去过长城。have (has) been to 后面可接次数，表示去过某后面可接次数，表示去过某地几次。地几次。Ive been to Beijin

12、g three times. 我去过北京三次。我去过北京三次。They have been to that village several times. 他们去过那个村庄好几次了。他们去过那个村庄好几次了。 v2. have (has) gone to 意为意为“到某地去了到某地去了”，表，表示到了某地或正在去某地的途中。总之，说话时该示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、第二人称代词作句子人不在现场，一般不用第一、第二人称代词作句子的主语。如：的主语。如：-Where is Tom? 汤姆在哪里？汤姆在哪里？ - He has gone to the book

13、shop.他到书店去。他到书店去。同学们要注意现在完成时与一般过去时的区同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的事情有别。虽然这两个时态都和过去发生的事情有关，但是关，但是现在完成时现在完成时强调这一动作与现在的强调这一动作与现在的关系，如对现在产生的结果、影响等关系，如对现在产生的结果、影响等，而，而一一般过去时般过去时只表示过去的事实，不表示和现在只表示过去的事实，不表示和现在的关系的关系。如：。如：I have just been to London. I went there last month.我刚去过伦敦，是上个月去的。我刚去过伦敦，是上个月去的。I

14、 have been to the science museum many times. I went there on our last summer vocation.我已经去了科学博物馆很多次。我已经去了科学博物馆很多次。 上个暑假我上个暑假我还去了呢。还去了呢。1. A: Do you want _ (come) to the space museum? B: No, Ive already _ (be) there three times.2. A: Have you _ (see) the robots at the science museum? B: Yes, I _ (go)

15、 there last weekend. Put the correct forms of the verbs in the blanks. (4a)to comebeenseenwent 选择填空选择填空1. The Oriental Pearl TV Tower _ tens of thousands of visitors since 1995. A. attracted B. attracts C. has attracted D. will attract 2. They _ since the factory opened. A. has worked here B. have w

16、orked here C. worked here D. are working 3. Since 2000 Nanchang has become a new city. Everything _. A. is changed B. was changed C. has changed D. had changed C B C 4. The house is dirty. We _ it for weeks. A. didnt clean B. hadnt cleaned C. dont clean D. havent cleaned5. Harry Potter is a very nic

17、e film. I _ it twice. A. will see B. have seen C. saw D. seeDB 翻译翻译 1. 我叔叔离开上海我叔叔离开上海10天了，他是上星期离天了，他是上星期离开的。开的。 2. 你们太迟了，电影已经开始五分钟了。你们太迟了，电影已经开始五分钟了。 3. - 你到这里多久了？你到这里多久了？- 两天。两天。 My uncle has been away from Shanghai for ten days. He left last week. You are too late. The movie has been on for five m

18、inutes. - How long have you been here? - Two days.Mr. White came to our school in 2008, and since then he _ us English. A. teaches B. taught C. has taught D. will teach答案：答案：C【解析解析】考查动词时态。从考查动词时态。从since then知应该用知应该用现在完成时态。现在完成时态。Do you know _ she went to the movie last night? On foot. A. when B. why

19、 C. how答案：答案：C【解析解析】疑问副词的用法。从答句疑问副词的用法。从答句On foot可可以看出问句是有关交通方式的，以看出问句是有关交通方式的，when表示表示“什么时间什么时间”；why表示表示“为什么为什么”，how表示表示“怎么怎么”，对交通方式提问一般用，对交通方式提问一般用how，因此本题选因此本题选C。 How do you study for a test? - _ working with friends. A. By B. With C. On答案：答案： A【解析解析】本题考查介词本题考查介词by的用法。的用法。by意为意为“通通过过方式方式”；with意为意

20、为“和和在一起在一起”；on意为意为“朝朝,向向”.句意句意“你是怎么为考试作准你是怎么为考试作准备吗？备吗？”“”“通过和朋友一起学习。通过和朋友一起学习。”只有只有by具具有有“通过通过方式方式”的意思，故选的意思，故选A。I. 根据括号内的要求完成下列各句，每根据括号内的要求完成下列各句，每空一词空一词(含缩写含缩写)。1. My parents have come back already. (改为否定句改为否定句) My parents _ _ back _. 2. The boys have been to Japan lots of times. (改为一般疑问句改为一般疑问句)

21、_ the boys _ to Japan lots of times? Have been havent comeyet3. Has your sister gone to the bookstore? (作肯定回答作肯定回答)_, she _.4. I have been to the theme park three times. (对划线部分提问对划线部分提问)_ _ times have you been to the theme park?5. The movie has been on for half an hour. (对划线部分提问对划线部分提问)_ _ has the m

22、ovie been on? How many Yes hasHow long. 根据括号中所给动词的提示完成下列句子根据括号中所给动词的提示完成下列句子或对话。或对话。1. I _ (work) in this city for 7 years. 2. How long _ she _ (live) here? Since she _ (get) a new job here. 3. How many words _ you _ (learn) since two years ago?4. My mother _ never _ (hear) of this man. 5. Tom _(be) to China twice.has livedhave worked / workedgot havelearned / learnthasheardhas beenLearn the new words and expressions by heart.