四川省江油市九年級英語《Unit 5 It must belong to Carla》Section A 課件 人教新目標版
UNIT 5UNIT 5 IT IT MUSTMUST BELONG TO BELONG TO CARLA.CARLA.Words & Expressions drop symphony optometrist appointment algebra crucial count final落下落下; 掉下掉下交響樂交響樂; 交響曲交響曲驗光師驗光師; 配鏡師配鏡師約會約會; 約定約定代數(shù)代數(shù); 代數(shù)學代數(shù)學關鍵的;至關重要的關鍵的;至關重要的計計; 值值最后的最后的; 最終的最終的Words & Expressions anxious worried owner Oxford University憂慮的憂慮的; 焦慮的焦慮的; 不安的不安的煩惱的煩惱的; 焦慮的焦慮的所有者所有者; 業(yè)主業(yè)主牛津大學牛津大學3a3aHere is a thank-you message Linda wrote to Ann. but it is not in the right order. You read it and put it in the right order.Answers: 5 2 4 3 1When you read the message, you must meet some words you dont know. Circle them and talk about them. Use cant, must, could or might. TaskCircled words may include:symphony; optometrist; appointment; crucialEXPLANATION1. If you have any idea where it might be, please call me. If you have any idea = If you know 意思是意思是“如果你知道如果你知道”, any用于用于if 引引 導的條件從句中導的條件從句中, 意為意為“若干的,有多少若干的,有多少”。e.g. If you have any time, Id like to talk with you.2.2.no more 與與 notany more的區(qū)別的區(qū)別 二者都是表示二者都是表示“不再不再”,“再沒有再沒有”,no more 要用在要用在談數(shù)量或程度,談數(shù)量或程度,notany more用在談時間時。用在談時間時。e.g. There is no more bread.(指數(shù)量指數(shù)量) Hes no more genius than I am. (指程度指程度) He doesnt live here any more. (指時間指時間)3. I think I dropped it during the concerts so it might still be in the symphony hall. during用在已知的時期、節(jié)日或表示用在已知的時期、節(jié)日或表示 時間觀念的名詞前。時間觀念的名詞前。e.g. during the summer, during my holidays during意思為意思為: “當當之際之際”既可指某一動作既可指某一動作 在某個時期內連續(xù)不斷的發(fā)生在某個時期內連續(xù)不斷的發(fā)生, 也可指某個也可指某個 動作在這一時期內的某一時間發(fā)生。動作在這一時期內的某一時間發(fā)生。e.g. It snowed all day but stopped snowing during that night. 4. Its crucial that I study for it because it makes up 30% of the final exam. 它對我備考學習至關重要它對我備考學習至關重要, 因為它占期末考試因為它占期末考試 的百分之三十。的百分之三十。(1) 此句中的此句中的it是形式主語是形式主語, that 引導的句子是引導的句子是 真正的主語,即主語從句。真正的主語,即主語從句。e.g. It is a mystery how the man escaped. 那個人是如何逃跑的是個謎。那個人是如何逃跑的是個謎。 It is certain that she will succeed. 她會成功是肯定的。她會成功是肯定的。(2) crucial 是形容詞是形容詞,在這里意為在這里意為“至關重要至關重要 的的”, 常與常與to 連用。連用。e.g. The travel was crucial to his writing later. 那次旅行對他后來的寫作至關重要。那次旅行對他后來的寫作至關重要。3b3bTalk about the words you dont understand. Use “cant”, “must”, “could” or “might”.Talk about these new words with your partners.A: Do you know the word “interview” ?B: No, I dont. it might mean “”A: Oh, yes! A: What do you think “anxious” mean?B: Well, it cant mean “happy”.A: It might mean “worried”.B: Oh, yes. She is worried because of her test.A: What do you think “concert” mean? B: Well, it cant mean “music”. A: It might mean “a performance of music by players or singers”. B: Oh, yes. She was in the symphony hall. Practice4 4PairworkLook at the things in the backpack below. Make guesses about the owner of the backpack. Write your ideas in the chart. Then talk about your ideas.A: Here are some earrings. The owner cant be a boy.B: Well, it could be a boy. The earrings might be a present for his mother.Sample conversation 1 Here is a Chinese-English dictionary. It could belong to Mary. I know she has one. I dont think so. It cant be Marys. This one is new, but hers is old.Sample conversation 2 Here is a flower. The owner must be a girl. Well, it could be a boy. The flower might be a present for his teacher.Sample conversation 3 Heres a school T-shirt. The owner must be a student. Well, it could be a classmate of ours. The school T-shirt is the same as ours. Sample conversation 4 Heres a hair band. The owner cant be a boy. Well, it could be a boy. The hair band might be a present for his mother.Tomorrow is Teachers day. We will give our English teacher a present. Can you guess what is in the box?A: Do you know what is in the box?B: I guess it must be a card.A: I dont think so. I think it might be a scarf.B: why?A: 1. If you have any idea where it might be, please call me. If you have any idea = If you know 意思是意思是: 如果你知道如果你知道 any用于用于if 引導的條件從句中引導的條件從句中, 有有“若干的,有多少若干的,有多少”的意思。的意思。Explanation e. g. If you have any time, Id like to talk with you.2. I think I dropped it during the concerts so it might still be in the symphony hall. 用在已知的時期、節(jié)日或表示時用在已知的時期、節(jié)日或表示時間觀念的名詞前間觀念的名詞前 e. g. during the summer, during my holidays, during our stay in Japan. 意思為意思為: “當當之際之際”既可指某一動既可指某一動作在某個時期內連續(xù)不斷的發(fā)生作在某個時期內連續(xù)不斷的發(fā)生, 也也可指某個動作在這一時期內的某一可指某個動作在這一時期內的某一時間發(fā)生:時間發(fā)生: e. g. It snowed all day but stopped snowing during that night. GRAMMAR FOCUS 在英語中,表示對某件事物的確定程度即在英語中,表示對某件事物的確定程度即表示推測的時候,我們通常會用到以下情態(tài)表示推測的時候,我們通常會用到以下情態(tài)動詞動詞: must, might, could, may, cant, couldnt.確信程度大?。捍_信程度大?。簃ust may might肯定和否定的推測:肯定和否定的推測:must(肯定),(肯定), cant, couldnt (否定)否定)情態(tài)動詞情態(tài)動詞MUST, MIGHT, COULD, CANT 后接動詞后接動詞原形原形, 可以表示對現(xiàn)在的情況的推測可以表示對現(xiàn)在的情況的推測.It cant (不可能不可能)It might/could (有可能有可能) It must (肯定肯定) + be (cold/happy/ sbs)It must be Tonys (是(是的)的) belong to Tony. (屬屬于于)一一. can和和could的區(qū)別和用法的區(qū)別和用法1. can表示體力和腦力方面的能力表示體力和腦力方面的能力, 或根據(jù)或根據(jù)客觀條件能做某種動作的客觀條件能做某種動作的“能力能力”。e.g. Can you speak English? Can you make a cake? can用在否定句和疑問句中時有時表示說用在否定句和疑問句中時有時表示說話人的話人的 “猜測猜測”或或 “不肯定不肯定”。e.g. Can the news be true?(在日常會話中在日常會話中, can可代替可代替may表示表示“允許允許”, may比較正比較正式式) 2. could 是是 can的過去式的過去式, 表示過去有過的能力和可能性表示過去有過的能力和可能性, 還有懷疑和不肯定的意思還有懷疑和不肯定的意思( (在否定和疑問句中在否定和疑問句中) )。e. g. She couldnt skate when she was five years old. (能(能力)力)At that time we thought the story could be true (可能性)(可能性) could用來提問用來提問, 是有禮貌的請求是有禮貌的請求. Could., please? 語氣較為婉轉。語氣較為婉轉。e. g. Could I speak to Mr. Smith, please?二二. may和和might的區(qū)別和用法的區(qū)別和用法: :1. may的用法的用法: 表示表示“允許允許”或或“請求請求”。e. g. May I come in? 在使用這一用法時需注意在使用這一用法時需注意: may表示表示“允許允許”的否定形式是的否定形式是must not, 意思是意思是“不應該不應該” “不許可不許可”。e. g. May I take this book out of the reading-room? No, you mustnt表示說話人的猜測,認為某一事情表示說話人的猜測,認為某一事情 “或許或許”或或“可能可能”發(fā)生。發(fā)生。 e. g. He may know the answer may用在感嘆句中可表示祝愿或愿望。用在感嘆句中可表示祝愿或愿望。 e. g. May you succeed(祝你成功。祝你成功。) May you have a pleasant journey (一路平安。一路平安。) 2. might的用法的用法: might可以代替可以代替may, 表示現(xiàn)在時間的表示現(xiàn)在時間的 動作,但語氣較為婉轉客氣或更加不肯定。動作,但語氣較為婉轉客氣或更加不肯定。 e. g. Might I take a suggestion? might用來表示現(xiàn)在時間時用來表示現(xiàn)在時間時, 還可表示還可表示 “規(guī)勸規(guī)勸”。 e. g. You might pay more attention to spoken English三三. must與與have to的區(qū)別的區(qū)別 have to比較強調客觀需要比較強調客觀需要, must著重說明著重說明主觀看法。另外主觀看法。另外have to能用于更多時態(tài)能用于更多時態(tài), 比較下面的句子:比較下面的句子: We had to be there at 10:00. We must be there at 10:00. 有時兩者都可以用有時兩者都可以用, 意思差別不大。意思差別不大。e. g. We must/have to leave now. must在表示說話人對事物的推測時注意它在表示說話人對事物的推測時注意它比比may肯定得多肯定得多, 相當于漢語的相當于漢語的“一定一定”或或“準準是是”。(只有在肯定句中能這樣用。只有在肯定句中能這樣用。) e.g. This must be your room 在回答由在回答由must引起的問題時引起的問題時, 如果是否定如果是否定的答復,不能用的答復,不能用mustnt, 而需要用而需要用neednt或或dont have to, 因為因為mustnt是是“一定不要一定不要”的意思的意思。 各種預測各種預測1.按照推測的可能性來區(qū)別按照推測的可能性來區(qū)別, must的可能性的可能性 最大最大, may次之。次之。could和和might不表示過去不表示過去 時態(tài)時態(tài), 只是表示推測的可能性比較小。只是表示推測的可能性比較小。e.g. Its two oclock now. He must be in by now. He may go back in the fall. He thinks it could / might be wise to try his luck there.2. 情態(tài)動詞表示推測的幾種形式:情態(tài)動詞表示推測的幾種形式:“情態(tài)動詞情態(tài)動詞+動詞原形動詞原形”表示對現(xiàn)在情況表示對現(xiàn)在情況 的推測。例如:的推測。例如: This book must be Toms. He is looking for it. 這本書一定是湯姆的。他正在找這本書。這本書一定是湯姆的。他正在找這本書?!扒閼B(tài)動詞情態(tài)動詞+be +v-ing形式形式”表示對現(xiàn)表示對現(xiàn) 在正在進行的情況進行推測。例如:在正在進行的情況進行推測。例如: At this moment, our teacher may be correcting our exam papers. 此刻,我們老師可能正在批改試卷。此刻,我們老師可能正在批改試卷。 “情態(tài)動詞情態(tài)動詞+have+動詞的過去分詞動詞的過去分詞”表表 示對過去情況的推測。例如:示對過去情況的推測。例如: The road is wet. It must have rained last night. 路是濕的,昨天晚上一定下雨了。路是濕的,昨天晚上一定下雨了。1.must表示推測時只用于肯定句,表示表示推測時只用于肯定句,表示 很有把握的推測,意為很有把握的推測,意為“一定一定”。例如:。例如: Our teacher must be in the office because the light is on. 我們的老師一定在辦公室我們的老師一定在辦公室,因為燈還亮著。因為燈還亮著。小帖士小帖士2. 表示否定推測常用表示否定推測常用cant,意為,意為“不可不可 能能”。e.g. He cant be at home because he has gone to Beijing. 他不可能在家,因為他去了北京。他不可能在家,因為他去了北京。Suppose when you and your friend walk in the street. You see a man running from a supermarket and a woman is chasing behind him with heavy things.Make up a conversation with your partner.A: Oh, look! Whats happening over there?B: Where?A: A man running very fast from that supermarket.B: He might