人教版八年級英語下冊 語法與知識點

1、Unit 1第一部分：Grammar一、 情態(tài)動詞（Modal Verbs）情態(tài)動詞should意為“應該，應當”，必須和后面的動詞原形一起構成謂語，沒有人稱和數的變化。用以表達職責和義務、提出勸告，而且表述的是自己的主觀看法。1.should的句式結構句式結構例句肯定句主語+should+doThey should eat a balaced diet.他們應該平衡飲食。否定句主語+should not +doThey shouldnt eat too much.他們不該吃得太多。一般疑問句-Should + 主語 +do+?-yes, 主語+should.-No, 主語+shouldnt.

2、-Its too cold. Should I close the window?太冷了，我該關上窗戶嗎？-Yes, you _./No, you _.是的，你應該。/不，你不應該。2.should的用法用法例句表示勸告、建議You _ answer the question in English.你應該用英語回答這個問題。表示推測They _ be at home now, I think.我認為，他們現在應該在家。表示驚訝、贊嘆、不滿等 How _ I know it?我怎么知道這間事情呢？注意：should在以why，who，how等疑問詞開頭的問句中，意為“竟然，居然，怎么會”，表示意

3、外、驚喜或在說話人看來是不可思議的。二、 其他表示建議的句型用法例句Shall we/I + do+?Shall we _ for a walk? 咱們去散步好嗎？What/How about+doing/sth?What about _ swimming? 去游泳怎么樣？Lets + do?Lets _ and _ them.咱們去看看他們吧。Youd/Wed better (not) + do?We _ _ wait a little longer.我們最好再稍等一會兒。Why dont you + do ?Why dont you _ a walk outside?為什么不出去散步呢？W

4、hy not + do?Why _ _ a walk outside?為什么不出去散步呢？三、 反身代詞表示反射或強調的代詞叫做反身代詞。反身代詞是由第一人稱、第二人稱形容詞性物主代詞或第三人稱代詞的賓格形式，詞尾加self或selves組成。反身代詞可譯“本人”、“本身”，為加強語氣，也常翻譯為“親自”、“自己”。不定人稱代詞one-oneself.1、反身代詞的分類數、人稱第一人稱第二人稱第三人稱單數myselfyourselfHimself,herself,itself復數ourselvesyourselvesthemselves2、反身代詞的用法用法說明例句作動詞的賓語常用于enjoy

5、,teach,hurt,buy,introduce,dress,help,look after, get dressed 作賓語He is teaching _ English.他在自學英語。We enjoyed _ last night.昨天晚上我們玩得很開心。做介詞的賓語常用于in,on,with,of,after,by作賓語She lives by _ in the countryside.她一個人生活在鄉(xiāng)下。做同位語強調作用、加強語氣Did you make the cake _?這蛋糕是你親自做的嘛？Mr. Black _ is a lawyer.布萊克先生本人就是一名律師。做表語強

6、調“自己”Just be _.做你自己就好了。Mary hasnt quite been _ recently.瑪麗最近有些不對勁。第二部分：單詞用法Section A1. Whats the matter?怎么了？該句常用詢問某人患了何種疾病或遇到了什么麻煩，其后用with引出對象。1). Whats the matter with sb.?=whats wrong with sb.?=whats the trouble/problem with sb.?=whats ones trouble/problem?e.g. Whats the matter with Tom?=whats _ w

7、ith Tom?=Whats the _ with Tom?=Whats Toms _?2). matter, 名詞，“問題，事情”e.g. We have important _(matter) to discuss.我們有些重要的問題要討論。3). 動詞，“要緊，關系重大”e.g. It dosent _ that you came late.2. I have a cold.我感冒了。1).have/get/catch a cold “感冒，著涼”The old man _ a cold yesterday.那位老人昨天感冒了。2). “have +a/an +疾病名稱”意為“得了.病”

8、have a fever, have a cough,have a headache3. I have a sore back.我背痛?！癐 have a sore + 身體部位”意為“痛”辨析sore和achesore形容詞，意為“疼痛的；酸痛的”用于身體部位名詞前sore feet sore leg sore throatache名詞，構成復合詞headache; stomachache4. lie down and and rest.1).lie 的不同含義及詞性變化單詞詞性詞義現在分詞過去式過去分詞lie動詞躺；平躺lyinglayLainlie動詞說謊lyingliedLiedlie

9、名詞謊言無無無Katy _ (lie) on the bed and read the letter last night.凱蒂昨晚躺在床上看書。He _(lie) to me about the result.對于結果他對我說了謊。2). rest 動詞，“休息，放松”May him rest in peace.have/take a rest 休息，放松=rest5. You need to take breaks away from the computer.take breaks = take/have a break 休息We are _ a break under the tree

10、.我們正在樹下休息。6. Yeah，I think I sat in the same way for too long without moving.是的，我想我以同樣的姿勢一動不動地坐太久了。1). In the same way:以同樣的方式，以相同的方式She worked out the math problem in the same way.2).without為介詞，意為“無，沒有，不”You cant buy things _ money! 你沒有錢就買不了東西。He left without _ anything.他什么都沒有說就離開了。7. When the driver

11、 saw an old man lying on the side og the road.這時，司機看到路邊躺著一位老人。see/watch/notice/hear sb.doing sth. 強調看到/聽到的動作的正在進行see/watch/notice/hear sb.do sth. 強調看到/聽到的動作的完整性e.g. I often _ him _ in the garden last month. 上個月，我總是看到他在花園里干活。(強調全過程) I _ him _ in the garden when I passed by yersterday. 昨天我看見他正在花園里干活。(

12、強調動作正在進行)8. He expected most or all the passengers to get off and wait for the next bus.1).expect +名詞/代詞 “期待；預料”I am _ a phone call from her.我正在等她的電話。2).expect to do sth.She expects to go there next week. 她期望下周去那里。3).expect sb. to do sth. He expected her to go with him.4).expect +that 從句 I expect th

13、at hell come back tomorrow.9. But to my surprise, they all agreed to go with him.1). to ones surprise “使驚訝的是，出乎意料”_ my _(surprise), he refused to cooperate with us.讓我驚訝的是，他拒絕與我們合作。2). agree “同意”a. agree to do sth. “同意做某事”b. agree with sb.c. agree on sth. “就某事達成一致”e.g. My mother agreed _(buy) me a ne

14、w pen. I entirely agree _ you. We agree _ the question.10. 辨析thanks to /thanks for thanks to “多虧，由于”，to是介詞，其后接名詞、代詞或doingthanks for“因而感謝”，for 后接感謝的原因，常為名詞或doing形式，Thanks _ you, I am not lost.幸虧你我才沒有迷路。Thanks _ sending me such a nice gift. 謝謝你寄給我這么好的一個禮物。11. get into trouble “造成麻煩（或煩惱）;陷入困境” trouble是

15、不可數名詞。be in trouble “再麻煩和困境中”e.g. Lisa _ _ trouble when she climed the mountain.Let us help the people who are _ _. 12. Did you fall down?fall-fell-fallenfall down 意為“倒下”，強調的是“滑倒，倒下”，不能直接跟賓語，加from連接賓語，fall down from，表示“從摔下”fall off“跌落”，強調的是“從某處跌落，摔下來”=fall down frome.g. The dog _ down dead.那條狗倒下去死了。

16、 The boy _ _ _ the tree and broke his legs. The girl _ _ the bike.Section B1. Someone felt sick. Sick;生病的，惡心的。ill也是生病的，也可表示品質惡劣的辨析sick和illsick既可以作定語，也可以用作表語。表語時“惡心的”ill 既可以作定語，也可以用作表語。作定語時：表示“品質惡劣的”e.g. Everytime I get on a boat, I feel _.He is an _ student, because he smokes and drinks.I have to lo

17、ok after my _ sister home at home today.2. Someone got hit on the head.有人頭部受到了撞擊。1).get hit 為系表結構：get hit +on/in +the+身體部位的名詞，表示 “某身體部位受到了撞擊”e.g. The police officer _ _on the shoulder. 這位警官的肩膀受到了撞擊。2). hit, “打擊，擊中” 如果強調 “集中某人的部位”可以用 “hit sb. on/in the + 身體部位”e.g. The bullet hit him on the back. 子彈擊中

18、了他的后背。3).hit可以做名詞，“轟動一時的成功的人或事；風靡一時的作品”。e.g. The song was a hit at once.3. have problems breathing1). breathe, a.動詞“呼吸”e.g. He was breathing hard when he finished the race. b. 名詞，breath，沒有“e” take a deep breath 深呼吸；hold ones breath 屏住呼吸2). have problems (in) doing sth. “做某事有困難或麻煩” e.g. I have _ _ En

19、glish. 我學習英語有困難。4. 辨析be used to doing/ be used to do /used to do be used to doing意為“習慣于”，to是介詞+名詞/doingbe used to do意為“被用來做”to為不定式符號+do原形used to do意為“過去常?！?，to為不定式符號+do原形e.g. I am _ to _ up early.我習慣早起。A pen is _ to _.鋼筆是用來寫字的。He _ to _ books for an hour every day.他過去常常每天讀一個小時的書。5. find + 賓語 + 賓補1).

20、find 賓語 adj. We found him dishonest. 我們發(fā)現他不誠實。2).find 賓語 doing We found him _others homework. 我們發(fā)現他在抄別人作業(yè)。3).find 賓語 副詞和介詞短語 I am so glad to find you _.我很高興發(fā)現你在家。 I found the clothes _ _ style. 我發(fā)現這些衣服過時了。6. 辨析run out/run out of 用盡，耗盡run out“動詞+副詞”結構。相當于不及物動詞，后面不接賓語，主語通常是“事物”時間，金錢等run out of“動詞+副詞+介

21、詞”結構。相當于及物動詞，后面可以接賓語，主語通常是“人”O(jiān)ur money is _ out. 我們的錢快用光了。We are running out _ money. 我們的錢快用光了。7. 辨析so that /sothatso that“以便，為了”=in order that, 引導目的狀語從句，常與can,could,may,might,will,would,should等情態(tài)動詞或助動詞。so.that“如此以至于”,引導結果狀語從句，so為副詞，+adj/adv;that 后跟從句?？梢耘cenough to do和tooto do進行同義句轉換。e.g. They got up early _ _ they could catch