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。它在構造形式上是肯定的，但意義上卻表示否認含義，所以動詞不定式符號to前不能再加not，只接動詞原形即可，too后接形容詞或副詞原形。例如： The book is too difficult to understand. 這本書難于理解。【拓展】 1在tooto句型中，當動詞不定式的動詞是不及物動詞，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

2、動詞不定式的賓語實際上就是這個句子的主語時，動詞不定式后面不能再加代詞作賓語。例如： The question is too difficult to answer. 這個問題太難了，無法答復。 3在tooto句型中，當動詞不定式能確切說明動作執行者時，可以在動詞不定式前面加上邏輯主語，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。 4含tooto的句子可以改寫成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. 他年紀大了，不能做重活。2. I have some exciting news to tell you. to tell you由to+動詞原形構成的動詞不定式，在句子中作定語，放在所修飾的名詞之后。例如：Do you know the

4、best way to learn English well?你知道學好英語的最正確方法嗎？【注意】動詞不定式作定語時，總是后置，不定式與其所修飾的詞構成邏輯上的動賓關系，而該不定式為不及物動詞時，其后須加上適當的介詞，構成及物動詞短語。 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. 我需要一張寫字用的紙。【拓展】不定式還有以下用法：1作主語。例如：To see is to believe. 眼見為實。2作賓語。這樣的動詞有：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發動。3作賓語補足語。這樣的動詞有：ask; teach; want; tell; allow等。例如：He asked me to come here in time. 他叫我及時到達這里。4作表語。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 +主語名詞或代詞+動詞原形+其他？相當于“Why not+動詞原形+其他？并不表示疑問，而是征求

6、意見和提出建議。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? 為什么不和我們去踢足球呢？ That sounds like a good idea. 這是個好主意。4. While Jane was singing, I was reading a book. while 作連詞，意為“當時候，引導時間狀語從句，并且是主句和從句動作同時發生，從句中的動詞必須是延續性動詞或表狀態，且常用進展時態。例如： He came in while I was wat

7、ching TV. 當我在看電視時，他進來了。 【拓展】while; when與as的辨析：1while強調動作同時進展，從句常用進展時，其動詞必須為延續性動詞或表狀態。例如：He was watching TV while she was cooking. 她做飯時，他在看電視。2when既可指動作同時進展，也可指先后發生，從句中的動作既可是延續性動詞，也可是非延續性動詞。假設是同時發生且為延續性動詞，那么可與while互換；假設when作并列連詞，表示“就在那時，這時候那么只能用when，并且when引導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.當外星人出來時，小女孩在購物。We were watching TV when there was a knock at the door. 我們在看電視，這時有人敲門。3as多指主句從句兩動作同時發生，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為動名詞短語，在句子中做主語。動名詞作主語時，謂語動詞要用第三人稱單

9、數形式。例如：Swimming is good for our health. 游泳對我們的安康有益。【拓展】動名詞和不定式都可以作主語，但在用法上有區別：1不定式作主語通常表示一次性、將來的且詳細的特指動作，而動名詞作主語通常表示習慣性、經常性和不詳細的泛指動作。例如：Walking is a good form of exercise for both the young and the old. 步行對年輕人和老年人來說都是一種好的鍛煉形式。To carry the heavy box is not easy for the boy. 對這個男孩來說，搬這個箱子是不容易的。2動名詞作主語

10、和不定式作主語有時可以互換。例如：Playing with fire is dangerous. = To play with fire is dangerous. 玩火是危險的。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引導的條件狀語從句的復合句，要注意：if 條件狀語從句中，主句用一般將來時，從句用一般如今時表示將來。遵循“主將從現原那么。另外，主句也可以用祈使句或含有情態動詞的句子。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作情態動詞，意為“應當，應該。表示義務、責任，可用于各種人稱，無人稱和數的變化，也不能單獨作謂語，只能和動詞一起構成謂語，表示說話人的語氣和情態；否認形式為should not，縮寫為shouldnt。其主要用法有： 1表示責任和義務，意為“

12、應該。例如： You should take your teachers advice. 你應該聽從你老師的建議。 You shouldnt be late for class. 你不應該上課遲到。 2表示推斷，意為“可能，該。例如： The train should have already left. 火車可能已經分開了。句式精練I. 補全對話。根據下面的對話情景，在每個空白處填上一個適當的句子，使對話的意思連接、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. 對劃線部分提問 _ _ _ the train ticket _ _?5. It often takes about 16 hours to go from Beijing to Shanghai by train. 對劃線部分提問_ _ _ 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. 根據漢語意思完成句子，每空一詞。1. 你收到李偉的來信了嗎？Did you _ _ Li Wei?2. 他們在盼望著游覽北京。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。Michael _ us _ _ _. 6. 看！康康正在看電視而明明正忙著做作業。Look！Kangkang TV while Mingming is busy his homework.7. 你能幫我們做個參觀長城的方案嗎？Would you help us to visit the Great Wall?8. 我很快樂收到你的明信片。 Im to your postcard.9. 走路大約需要兩個半小時。 Its about _ _on foot.10. 那個男孩看起來不同意媽媽的意見。 The boy see