初二英語(yǔ)下冊(cè)Unit 6 Enjoying Cycling詞匯精講精練

1、.*;Unit 6 Enjoying Cycling詞匯精講精練句式精講 1. Its too far to cycle. tooto意為“太而不能。它在構(gòu)造形式上是肯定的，但意義上卻表示否認(rèn)含義，所以動(dòng)詞不定式符號(hào)to前不能再加not，只接動(dòng)詞原形即可，too后接形容詞或副詞原形。例如： The book is too difficult to understand. 這本書(shū)難于理解。【拓展】 1在tooto句型中，當(dāng)動(dòng)詞不定式的動(dòng)詞是不及物動(dòng)詞，其后所跟的介詞不能省略。例如： The room is too small to live in. 這房間太小了不能住。 2在tooto句型中，當(dāng)

2、動(dòng)詞不定式的賓語(yǔ)實(shí)際上就是這個(gè)句子的主語(yǔ)時(shí)，動(dòng)詞不定式后面不能再加代詞作賓語(yǔ)。例如： The question is too difficult to answer. 這個(gè)問(wèn)題太難了，無(wú)法答復(fù)。 3在tooto句型中，當(dāng)動(dòng)詞不定式能確切說(shuō)明動(dòng)作執(zhí)行者時(shí)，可以在動(dòng)詞不定式前面加上邏輯主語(yǔ)，即for sb.形式。例如： The box is too heavy for him to carry. 箱子太沉了，他搬不動(dòng)。 4含tooto的句子可以改寫(xiě)成sothat句型，意為“如此以致于。例如： He is too old to do hard work. =He is so old that he

3、cant do hard work. 他年紀(jì)太大而不能干重活。 5含tooto的句子也可以用“not + 形容詞/副詞 + enough to do sth.句型來(lái)交換，但注意要用原句中形容詞或副詞的反義詞。例如： He is too old to do hard work. =He is not young enough to do hard work. 他年紀(jì)大了，不能做重活。2. I have some exciting news to tell you. to tell you由to+動(dòng)詞原形構(gòu)成的動(dòng)詞不定式，在句子中作定語(yǔ)，放在所修飾的名詞之后。例如：Do you know the

4、best way to learn English well?你知道學(xué)好英語(yǔ)的最正確方法嗎？【注意】動(dòng)詞不定式作定語(yǔ)時(shí)，總是后置，不定式與其所修飾的詞構(gòu)成邏輯上的動(dòng)賓關(guān)系，而該不定式為不及物動(dòng)詞時(shí)，其后須加上適當(dāng)?shù)慕樵~，構(gòu)成及物動(dòng)詞短語(yǔ)。 例如：I am looking for a room to live in. 我正在找一間屋子住。I need a piece of paper to write on. 我需要一張寫(xiě)字用的紙?！就卣埂坎欢ㄊ竭€有以下用法：1作主語(yǔ)。例如：To see is to believe. 眼見(jiàn)為實(shí)。2作賓語(yǔ)。這樣的動(dòng)詞有：want; hope; ask; decid

5、e等。例如：I want to be a football player. 我想成為一名足球運(yùn)發(fā)動(dòng)。3作賓語(yǔ)補(bǔ)足語(yǔ)。這樣的動(dòng)詞有：ask; teach; want; tell; allow等。例如：He asked me to come here in time. 他叫我及時(shí)到達(dá)這里。4作表語(yǔ)。例如：My wish is to become a famous pianist. 我的愿望就是成為一名著名的鋼琴家。3. Why dont we go out for the day? “Why dont +主語(yǔ)名詞或代詞+動(dòng)詞原形+其他？相當(dāng)于“Why not+動(dòng)詞原形+其他？并不表示疑問(wèn)，而是征求

6、意見(jiàn)和提出建議。例如： Why dont you go swimming? = Why not go swimming? 為什么不去游泳呢？ Why not play football with us? 為什么不和我們?nèi)ヌ咦闱蚰兀?That sounds like a good idea. 這是個(gè)好主意。4. While Jane was singing, I was reading a book. while 作連詞，意為“當(dāng)時(shí)候，引導(dǎo)時(shí)間狀語(yǔ)從句，并且是主句和從句動(dòng)作同時(shí)發(fā)生，從句中的動(dòng)詞必須是延續(xù)性動(dòng)詞或表狀態(tài)，且常用進(jìn)展時(shí)態(tài)。例如： He came in while I was wat

7、ching TV. 當(dāng)我在看電視時(shí)，他進(jìn)來(lái)了。 【拓展】while; when與as的辨析：1while強(qiáng)調(diào)動(dòng)作同時(shí)進(jìn)展，從句常用進(jìn)展時(shí)，其動(dòng)詞必須為延續(xù)性動(dòng)詞或表狀態(tài)。例如：He was watching TV while she was cooking. 她做飯時(shí)，他在看電視。2when既可指動(dòng)作同時(shí)進(jìn)展，也可指先后發(fā)生，從句中的動(dòng)作既可是延續(xù)性動(dòng)詞，也可是非延續(xù)性動(dòng)詞。假設(shè)是同時(shí)發(fā)生且為延續(xù)性動(dòng)詞，那么可與while互換；假設(shè)when作并列連詞，表示“就在那時(shí)，這時(shí)候那么只能用when，并且when引導(dǎo)的從句只能放在后面。例如：When the alien got out, the gi

8、rl was shopping. = While the girl was shopping, the alien got out.當(dāng)外星人出來(lái)時(shí)，小女孩在購(gòu)物。We were watching TV when there was a knock at the door. 我們?cè)诳措娨?，這時(shí)有人敲門(mén)。3as多指主句從句兩動(dòng)作同時(shí)發(fā)生，常翻譯為“一邊一邊。例如：They talked as they walked. 他們邊走邊談。5. Bicycle riding is good exercise. bicycle riding為動(dòng)名詞短語(yǔ)，在句子中做主語(yǔ)。動(dòng)名詞作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要用第三人稱單

9、數(shù)形式。例如：Swimming is good for our health. 游泳對(duì)我們的安康有益?！就卣埂縿?dòng)名詞和不定式都可以作主語(yǔ)，但在用法上有區(qū)別：1不定式作主語(yǔ)通常表示一次性、將來(lái)的且詳細(xì)的特指動(dòng)作，而動(dòng)名詞作主語(yǔ)通常表示習(xí)慣性、經(jīng)常性和不詳細(xì)的泛指動(dòng)作。例如：Walking is a good form of exercise for both the young and the old. 步行對(duì)年輕人和老年人來(lái)說(shuō)都是一種好的鍛煉形式。To carry the heavy box is not easy for the boy. 對(duì)這個(gè)男孩來(lái)說(shuō)，搬這個(gè)箱子是不容易的。2動(dòng)名詞作主語(yǔ)

10、和不定式作主語(yǔ)有時(shí)可以互換。例如：Playing with fire is dangerous. = To play with fire is dangerous. 玩火是危險(xiǎn)的。6. If people obey the traffic rules, there will be fewer accidents. if做連詞，意為“假如。本句是含有if引導(dǎo)的條件狀語(yǔ)從句的復(fù)合句，要注意：if 條件狀語(yǔ)從句中，主句用一般將來(lái)時(shí)，從句用一般如今時(shí)表示將來(lái)。遵循“主將從現(xiàn)原那么。另外，主句也可以用祈使句或含有情態(tài)動(dòng)詞的句子。例如：We will go to the park if it doesnt

11、 rain tomorrow.假如明天不下雨，我們就去公園。Dont wait for me if I am late.假如我晚了就不要等我。If you want to lose weight, you must eat less bread. 假如你想減肥，你必須少吃面包。7. We should never ride too fast. should作情態(tài)動(dòng)詞，意為“應(yīng)當(dāng)，應(yīng)該。表示義務(wù)、責(zé)任，可用于各種人稱，無(wú)人稱和數(shù)的變化，也不能單獨(dú)作謂語(yǔ)，只能和動(dòng)詞一起構(gòu)成謂語(yǔ)，表示說(shuō)話人的語(yǔ)氣和情態(tài)；否認(rèn)形式為should not，縮寫(xiě)為shouldnt。其主要用法有： 1表示責(zé)任和義務(wù)，意為“

12、應(yīng)該。例如： You should take your teachers advice. 你應(yīng)該聽(tīng)從你老師的建議。 You shouldnt be late for class. 你不應(yīng)該上課遲到。 2表示推斷，意為“可能，該。例如： The train should have already left. 火車(chē)可能已經(jīng)分開(kāi)了。句式精練I. 補(bǔ)全對(duì)話。根據(jù)下面的對(duì)話情景，在每個(gè)空白處填上一個(gè)適當(dāng)?shù)木渥樱箤?duì)話的意思連接、完好。A: Hello! May I speak to Rita?B: This is Rita. 1. _?A: Hi, Rita. This is Candy. Would

13、you like to go to Xian ping Park咸平公園tomorrow?B: Great! Id like to. What time shall we start?A: 2. _?B: All right, 8 oclock is fine. Oh, 3. _? A: It will be sunny. So please bring your sunglasses. By the way, do you have Jacks telephone number? Hell go with us.B: 4. _. Ill call him later. But where s

14、hall we meet together tomorrow?A: At our school gate.B: OK. 5. _?A: We can take NO. 2 bus to there.B: See you tomorrow.A: See you.II. 句型轉(zhuǎn)換，每空一詞。1. Why dont you go to school earlier?改為同義句_ _ go to school earlier?2. Get up early, or you will be late.改為同義句_ _ _ get up early, you _ be late.3. Shanghai i

15、s larger than any other city in China.改為同義句Shanghai is _ _ _ in China.4. The train ticket cost him ￥120. 對(duì)劃線部分提問(wèn) _ _ _ the train ticket _ _?5. It often takes about 16 hours to go from Beijing to Shanghai by train. 對(duì)劃線部分提問(wèn)_ _ _ it often _ to go from Beijing to Shanghai by train?6. Tony doesnt know wh

16、ich book he should choose. 改為同義句Tony doesnt know which book _ _.7. I would like to come to China for my vacation. 改為一般疑問(wèn)句_ _ like to come to China for _ vacation.8. Its very hard to work out the math problem.同義句_ _ _ the math problem is very hard.9. Tom gets a letter from his father every month. 改為同

17、義句Tom _ _ his father every month.10. Lucy will give a phone call to her friend. Lucy will get off the plane. 用as soon as合并為一句Lucy will give a phone call to her friend _ _ _ _ _ _ _ _.III. 根據(jù)漢語(yǔ)意思完成句子，每空一詞。1. 你收到李偉的來(lái)信了嗎？Did you _ _ Li Wei?2. 他們?cè)谂瓮斡[北京。They are _ _ _ _ Beijing.3. 我想只有Peter能想出這些奇怪的主意。I

18、 think only Peter can _ _ these strange ideas.4. Jane 經(jīng)常在星期天幫她媽媽清掃房間。Jane often _ her mother _ the room.5. Michael建議我們籌錢(qián)。Michael _ us _ _ _. 6. 看！康康正在看電視而明明正忙著做作業(yè)。Look！Kangkang TV while Mingming is busy his homework.7. 你能幫我們做個(gè)參觀長(zhǎng)城的方案嗎？Would you help us to visit the Great Wall?8. 我很快樂(lè)收到你的明信片。 Im to your postcard.9. 走路大約需要兩個(gè)半小時(shí)。 Its about _ _on foot.10. 那個(gè)男孩看起來(lái)不同意媽媽的意見(jiàn)。 The boy see