九年級(jí)英語(yǔ)全冊(cè) Unit 15 We’re trying to save the manatees Section A1 人教新目標(biāo)版

1、Unit 15 Were trying to save the manatees,Warming up Animals are mans friends,Whats this? And how to describe it,enormous, gray,Whats this? And how to describe it,noisy, clever,Whats this? And how to describe it,playful,Whats this? And how to describe it,gentle, shy,Whats this? And how to describe it

2、,playful,Whats this? And how to describe it,aggressive, funny,1b Listening,gentle furry enormous playful noisy shy aggressive gray fast spotted,I am like this animal because I am strong and intelligent. I like water and I like to eat vegetables,Youre like an elephant,No,Youre like a Manatee,Yes,2a L

3、istening,Explanation,1.I am like this animal because I am strong and intelligent. be like=look like=be similar to 像，看起來(lái)像。如： He is like his father. 他像他的父親。 = He looks like his father. = He is similar to his father,這里的like作介詞，意思為“像”，like 還可做動(dòng)詞用，表示“喜歡”，like（doing）sth. 喜歡做某事。如： He likes his father very

4、much. 他很喜歡他的父親。 Mary likes playing volleyball. 瑪麗喜歡打排球,2.How big are manatees? 海牛有多大？ how big. 詢(xún)問(wèn)體重。以how組合的疑問(wèn)詞組有很多，如： how old 詢(xún)問(wèn)年齡 how often詢(xún)問(wèn)頻率 how long詢(xún)問(wèn)動(dòng)作持續(xù)的長(zhǎng)短 how much詢(xún)問(wèn)質(zhì)量或者價(jià)錢(qián) how far 詢(xún)問(wèn)距離 how many詢(xún)問(wèn)數(shù)量 how soon 詢(xún)問(wèn)過(guò)多久,3.they weigh about 1,000 pounds, 他們大約重1000磅。 weigh 稱(chēng)重量，測(cè)重量。如： He weighed the st

5、one in his hand. 他用手掂了掂這塊石頭的重量。 The piece of meat weighs four pounds. 這塊肉重四磅,weight 還可用做名詞，重量。 如： What is your weight？ 你的體重是多少,4. Were trying to save the manatees. 我們正在竭盡全力拯救海牛。 Try to do =try ones best to do 努力去做某事。如： Every student should try to study hard in order to study in a university. 為了進(jìn)入大學(xué)學(xué)

6、習(xí), 每個(gè)學(xué)生都應(yīng)該 努力學(xué)習(xí),Grammar,do / does,did,be (am / is / are) doing,have / has done,was / were done,have / has been done,定義：現(xiàn)在完成時(shí)表示到目前為止已經(jīng)完成，并對(duì)現(xiàn)在留下某種后果和影響的動(dòng)作。 1. 表示過(guò)去發(fā)生的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,常與一些時(shí)間狀語(yǔ),現(xiàn)在完成時(shí),have / has + 動(dòng)詞的過(guò)去分詞,如: already, yet, ever, never, just, before, once, twice 等連用, 也可以和包括現(xiàn)在在內(nèi)的時(shí)間狀語(yǔ), 如these

7、 days, today, this year, so far 等連用,2. 表示過(guò)去發(fā)生的動(dòng)作或存在的狀態(tài),一直持續(xù)到現(xiàn)在,也許還將繼續(xù)下去,可以和表示從過(guò)去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間的狀語(yǔ)連用。 即for +時(shí)間段, since+時(shí)間點(diǎn)/從句, in the last ten years等, 謂語(yǔ)只可用延續(xù)性動(dòng)詞,2. has / have been to 去過(guò)某地表示某人的一種經(jīng)歷,可與once, twice, already, ever, never等連用。 have/has gone to 去某地了,說(shuō)話時(shí)某人已離開(kāi)此地,在去某地的途中或已在某地,have / has been i

8、n 逗留在某地 (已經(jīng)一段時(shí)間)。 常和for ten days, since I came here等連用,1. Where is Jim? He _ Wuhan. 2. My parents _ the Great Wall twice. They like there very much. 3. _ you ever _ to the Happy valley? 4. How long _ Peter _ the West Hill farm,have been to,Have,been to,has,been in,has gone to,5. My sister _ the shop

9、. She will be back in two hours. 6. She _ Shanghai. She isnt here. 7. She _ Shanghai. She is here. 8. She _ Shanghai for two years,has gone to,has gone to,has been to,has been in,3. already - yet 已經(jīng) 用于肯定句,用于否定句, 疑問(wèn)句,1. She has not seen this film _. She has _ seen this film. 2. I have _ bed my hair.

10、Have you bed your hair _. 3. He has _ watched a video. He has not watched a video _,already,already,already,yet,yet,yet,4. 現(xiàn)在完成時(shí)中延續(xù)性動(dòng)詞和終止性動(dòng)詞,英語(yǔ)動(dòng)詞根據(jù)詞義可分為兩種,一種是延續(xù)性的,一種是終止性的,終止性動(dòng)詞(也可稱(chēng)為非延續(xù)性動(dòng)詞,瞬間動(dòng)詞,或點(diǎn)動(dòng)詞),如:bee, begin, buy, borrow, arrive, die, finish, get to know, go, join, marry, start, stop等。表示動(dòng)作的發(fā)生 與結(jié)

11、束于一瞬間完成,不能再延續(xù),所以它的現(xiàn)在完成時(shí)不能和表示延續(xù)的時(shí)間狀語(yǔ)連用,即不能與表示一段時(shí)間的狀語(yǔ), for+時(shí)間段, since+時(shí)間點(diǎn)/從句連用,也不能用在how long引導(dǎo)的特殊疑問(wèn)句,初中英語(yǔ)課本中常見(jiàn)終止性動(dòng)詞有: leave, go, e, arrive, begin, buy, borrow, die, join, bee 等。 終止性動(dòng)詞要表示持續(xù)時(shí), 可用以下方法： 將時(shí)間狀語(yǔ)改為時(shí)間段 + ago, 句中謂語(yǔ)動(dòng)詞用一般過(guò)去時(shí),eg. 我弟弟參軍兩年了。 My brother joined the army two years ago. 若保留for + 時(shí)間段, si

12、nce+時(shí)間點(diǎn)/從句, 或用在 how long句型中, 則需將終止性動(dòng)詞改為相應(yīng)的狀態(tài)動(dòng)詞或延續(xù)性動(dòng)詞,e / go / arrive / get / reach / move - be in/at open - be open die - be dead close - be closed bee -be borrow - keep put on - wear buy - have,常見(jiàn)終止性動(dòng)詞與延續(xù)性動(dòng)詞 (或狀態(tài)動(dòng)詞) 的對(duì)應(yīng)關(guān)系如下,leave - be away (from) begin / start - be on fall asleep - be asleep end/fi

13、nish - be over catch a cold - have a cold,join the army - be in the army be a soldier join the Party - be in the Party be a Party member,1. 吉姆買(mǎi)了這只鋼筆兩年了。 Jim has had this pen for two years. Jim has had this pen since two years ago. Jim has had this pen since 2003. It is two years since Jim bought thi

14、s pen,It has been two years since Jim bought this pen. Jim bought this pen two years ago. 2. 李雷自從2003年就參軍。 3. 那部電影開(kāi)始30分鐘了。 4. 自從兩年前這家商店就開(kāi)了。 5. 那個(gè)老人已經(jīng)死了五年了。 6. 莉莉六年前就離開(kāi)家了,現(xiàn)在完成時(shí)和一般過(guò)去時(shí)的區(qū)別： 現(xiàn)在完成時(shí)所表明的是過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在的影響, 強(qiáng)調(diào)的是現(xiàn)在的情況, 不可以和表示過(guò)去的時(shí)間狀語(yǔ) yesterday, in 1991, three days ago last time, last night等連用。 一般過(guò)

15、去時(shí)表明的是過(guò)去發(fā)生的事實(shí), 和現(xiàn)在不發(fā)生關(guān)系,5. 現(xiàn)在完成時(shí)中的 for 與 since for + 時(shí)間段與延續(xù)性動(dòng)詞的現(xiàn)在完成時(shí)連用 since + 時(shí)間點(diǎn)/從句。 I have kept the library book for a week. = I have kept the library book since a week ago,It is /has been + 一段時(shí)間 + since. 自從某事發(fā)生已有一段時(shí)間了。 eg. It is /has been two years since my brother joined the army,注意: 1. since 引

16、導(dǎo)的從句中動(dòng)詞用過(guò)去時(shí)。 2. when 引導(dǎo) 的特殊問(wèn)句不與現(xiàn)在完成時(shí)連用。 3. have got,has got 雖然是現(xiàn)在完成時(shí),但 have got = have has got = has,1. Its a long time since we _ (meet) last time, isnt it? 2. -I know you _ (choose) a picture book among these. -Yes,Have a look at it, please. 3. So far, spaceships without people _ (reach) the moon

17、and some other parts of the universe,met,have chosen,have reached,4. My father _ home for nearly three weeks. A. has gone away from B. has left C. has been away from D. went away,5. Mr and Mrs Green have _ in China for a week. A. been B. got C. arrived D. reached,近義句轉(zhuǎn)換： 1. Jack joined the League fiv

18、e months ago. Jack _ a League member five months ago. 2. Its a long time since we met last. We _ _ each other for a long time since we met last time,has been,havent,seen,Fill in the blanks with the right forms of the given words. 1. Every day my mother _(get) up early. 2. The dinosaur eggs _ (discover) many years ago by scientists. 3. Listen! Some children _ (sing) an English song over there,gets,were discovered,are singing,