1、經(jīng)典講解1.連詞if, when, unless, after, before, when, as soon as, as long as（ 只 要 ） 引導(dǎo)的從句一般為一般現(xiàn)在時, 主句用一般將來時If 引導(dǎo)條件狀語從句如果主句為一般將來時或祈使句或含有情態(tài)動詞, 從句為一般現(xiàn)在時（主將從現(xiàn)）if 從句可前可后If 引導(dǎo)賓語從句 是否一般位于主句后Idontknow if it will rain tomorrow. If it rains tomorrow, Iwontgo out. Call me if you need help. You can sit down ifyou have

2、 tickets Idontknow if you were here yesterday.2. wear jeans to the party穿牛仔褲去聚會stay at home 待在家take a bus to the party 乘車去聚會halfthe class一半的同學(xué)watch a video 觀 看 影 碟potato chips 炸 薯片half-halvesI m notsure .我不確定keep sth.to oneself保守秘密 get enough exercise 得到足夠的鍛煉make a lot of money 賺大量的錢travel around th

3、e world 環(huán)游世界get an education 得到教育the soccer agent 足球經(jīng)紀人make careless mistakes 犯粗心 的 錯 nswer the question 回 答 問 題help a lot 幫 忙 許多solve the problem 解 決 問 題say sorry to sb. 跟 某 人 道歉agree with sb.同意某人discuss sth.with sb.與 某 人 討 論 某事visit an old people shome拜訪養(yǎng)老院these days 這些天send you a letter寄給你一封信writ

4、e down記下each/ every day每一天in the end最后inthe future在未來first step 第一步studyfor an English exam 為英語考試而學(xué)習(xí)have a great/good time,have fun, enjoyoneself玩得開心have enough time to do有足夠的時間做某事talk to other people/ others與其他人交談 get into fight with my parents 與我父母大吵The worst thing is to do nothing. 最 糟 糕 的 事 是 什

5、么 都 不 做。 What do you think I shoulddo?你認為我應(yīng)該做什么？Students have a lot of problems and worries. 學(xué) 生 有 很 多 的 問 題 和 擔(dān) 憂。 Who else ?還有誰？If people have problems, they should keep them to themselves. 如 果 人 們有麻煩，他們應(yīng)當把這些煩惱留給自己。In English, we say that sharing a problem is like cutting it in ha lf. 在英語中，我們說與人分擔(dān)

6、一個煩惱就像把麻煩分成兩半。You are halfway to solve a problem just by talking to someone about it! 你只要跟人聊聊這個問題，你就已經(jīng)解決了問題的一半。It s best not to run away from our problems. 最 好 不 要 逃 避 我 們 的 問 題。3. take 帶走 bring 帶來 fetch 去取回來4. organize (v.) 組 織 organized (adj.) 有 組 織 的 organization (n.) 組 織 organizer (n.) 組織者5. ask

7、sb.(not) to do 要求某人(不)做某事6. order sth.(fr om)(從)訂購某物order sb. (not) to do 命令某人 ( 不 ) 做 某 事May I take order for you? 我 能 為 你 點 餐嗎 ？in order todo /in order that+ 句 子為了 一 7. too to sothat not enough to do8. Let s do sth, shall you? Let sb. do sth, will you? /won tyou? 9. upset (adj.) 難過的，失望的，沮喪的be upse

8、t about sb./sth./doing 對 某 人 / 某事 / 做 某 事 沮喪a taxi 成出 租車ride a bike騎單車 walk/fly/drive to 11. advice (ucn.)a piece of advice 貝U建議give sb. some advice 給某人提一些建議get advice from 從某人處獲取建 議give adviceto sb.給某人建議advise (v.)advise sb. todo建議某人做某事advise sb.on/aboutsth. 建議某人關(guān)于某事建議： suggestion (cn.) give sb. so

9、me suggestions suggest (v.)suggest doing12. travel 長距離的旅行或國外旅行trip短途游玩或有目的的旅行a school trip學(xué) 校 郊游journey遠距離的陸地旅行13. unless/if - not 除非You llbelate unlessyouhurry up./You ll be late if youdonthurryup.14. worry(v.)worry about 擔(dān)心(n.) have alotof worries過多擔(dān)憂worried(adj.)be worried about .擔(dān)心 15. trust to

10、sth. 依賴/靠某物16. be afraid to do/ of doing be afraid that+ 從句害怕.17. share.with sb. 與某人分享. run away from逃離/ 逃避. cut in half切分兩半18. angry (adj.) angrily (adv.) be angry with sb. 對某人生氣be angry at/about sth. 對某事生氣19. experience (cn.) 經(jīng)歷 (ucn) 經(jīng)驗have a lot of experience有很多的經(jīng)驗20. make mistakes/ a mistake 犯錯

11、誤+in sth/ in doing 在 (做) 某事犯錯誤do sth. by mistake錯做某事21. It ' s best (for sb.) to do(對某人來說)最好做某事have problems withsth.在某事上有困難二句子解析1. If you go to the party, you will have a great time.請用三種方式翻譯：昨天的運動會我們玩得非常開心。2. Half the class won t come.Half 表達開會嘍一個半小時：一半的工人：半數(shù)的學(xué)生都來自中國。他半輩子住在農(nóng)村。order: 訂購，點菜; 命令or

12、der sth. from sp.order sb. to do sth.4. If we ask people to bring f3. Let s order food from a restaurant.從某地訂購某物命令某人做某事ood, they ll just bring potato chips and chocolate because they ll be too lazy to cook. ask sb. to do sth.要求某人做某事要求某人不要做某事 potato chips名詞修飾名詞變復(fù)數(shù)時只變后面的名詞特例： a man/ moman teachermen/

13、women teachers練習(xí)：-What is your favourite food?-I like best. I had a large bowl last night.noodle B. potatoes noodle C. potato noodles D. potatoes noodles .to.太 而不能 He is too young to go to school.1.1. . that太 以至于 （that 后面加完整的一句話）He is so young that he can t go to school.5. If I take a taxi, it will

14、be too expensive.Take a ；by ；walk to fly to drive to 6. Can you give me some advice please?advice n. 建議一條建議 兩條建議建議的動詞形式advise sb. on/ about 關(guān)于 給某人忠告，建議Our teacher advises us on/ about studying.advise sb. to do sth.建議 / 勸告某人做某事7. If people have problems, they should keep them to themselves talk to ot

15、her people. 由反身代詞構(gòu)成的常用短語help oneself to.隨便吃 / 喝 enjoy oneself 玩得開心teach oneself 自學(xué) talk 相關(guān)詞組talk in a low/high voicetalk with/to sb.talk about talk over8. Unless we talk to someone, we ll certainly feel worse. Unless 可以與 if 引導(dǎo)的否定條件狀語從句進行同義句轉(zhuǎn)換。Eg. You ll be late unless you hurry up. =9. Laura once lo

16、st her wallet, and worried for days.worry v. 擔(dān)憂，擔(dān)心worry about 擔(dān)憂某人/ 某事I worry about my son/ my exam.worried adj. 擔(dān)憂的 be worried about= worry about10. She was afraid to tell her parents about it.afraid adj. 害怕的 害怕某個東西/ 某個人be afraid of sth./ sb. 害怕做某事be afraid to do sth.辨析因害怕而不敢做某事?lián)幕蚝ε鲁霈F(xiàn)某種后果因害怕而不敢走害怕

17、掉下去l l be angry.be afraid to do sth.be afraid of doing sthHe is afraid to go.He is afraid of falling.發(fā)怒的，生氣的11. If I tell my parents, they angry adj.be angry with sb. 生某人的氣be angry at/ about sth.因某事生氣12. ( 最后 ) ， she talked to her parents and they were really understanding.13. Her dad said he someti

18、mes made careless mistakes himself.make mistakes 犯錯誤careless 粗心的細心的 care n. 關(guān)心，謹慎take care of 照顧 = look after14. He thinks the first step is to find someone you can trust to talk to.劃分句子成分15. It is best not to run away from them. it is (not) best to do sth. run away (from)run off跑掉run after 追趕run ou

19、t of=use up 用完，用光16. Students often forget that their parents have more experienceexperience 經(jīng)驗不可數(shù)名詞 經(jīng)歷可數(shù)名詞17. In English, we say that sharing a problem is like cutting it in half.share sth. with sb.跟某人分享某物in half 分成兩半Let s cut the cake in half and share it with our teacher.18. Who else can you get

20、advise from?請注意介詞的使用。Get advise from三單元語法if 引導(dǎo)的條件狀語從句經(jīng)典句型和考點。I don t know if my mother (come) tomorrow.If she (come), I (pick) her up at the airport.用法詳解：主將從現(xiàn)主情從現(xiàn)主祈從現(xiàn)If he comes, he will bring his violin.If you want to lose weight, you must eat less meat.If you are not strong enough, please don t take part in such an activity. 四單元練習(xí) 單項選擇。1 If you study harder ， you will go to college.A are able toB be ableC can be able toD be able to2 Nobody went there with went by .A him B himselfC hisD themselves3 I'm late for school think my teacher must be me.A. worried aboutB. pleased withC friendly