一.經(jīng)典講解1.連詞if,when,unless,after,before,when,assoonas,aslongas(只要)引導的從句一般為一般現(xiàn)在時,主句用一般將來時If引導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引導賓語從句是否一般位于主句后Idontknowifitwillraintomorrow.Ifitrainstomorrow,Iwontgoout.Callmeifyouneedhelp.YoucansitdownifyouhaveticketsIdontknowifyouwerehereyesterday.2.wearjeanstotheparty穿牛仔褲去聚會stayathome待在家takeabustotheparty乘車去聚會halftheclass一半的同學watchavideo觀看影碟potatochips炸薯片half-halvesImnotsure.我不確定keepsth.tooneself保守秘密getenoughexercise得到足夠的鍛煉makealotofmoney賺大量的錢travelaroundtheworld環(huán)游世界getaneducation得到教育thesocceragent足球經(jīng)紀人makecarelessmistakes犯粗心的錯nswerthequestion回答問題helpalot幫忙許多solvetheproblem解決問題saysorrytosb.跟某人道歉agreewithsb.同意某人discusssth.withsb.與某人討論某事visitanoldpeopleshome拜訪養(yǎng)老院thesedays這些天sendyoualetter寄給你一封信writedown記下each/everyday每一天intheend最后inthefuture在未來firststep第一步studyforanEnglishexam為英語考試而學習haveagreat/goodtime,havefun,enjoyoneself玩得開心haveenoughtimetodo有足夠的時間做某事talktootherpeople/others與其他人交談getintofightwithmyparents與我父母大吵Theworstthingistodonothing.最糟糕的事是什么都不做。WhatdoyouthinkIshoulddo?你認為我應該做什么？Studentshavealotofproblemsandworries.學生有很多的問題和擔憂。Whoelse?還有誰？Ifpeoplehaveproblems,theyshouldkeepthemtothemselves.如果人們有麻煩，他們應當把這些煩惱留給自己。InEnglish,wesaythatsharingaproblemislikecuttingitinhalf.在英語中，我們說與人分擔一個煩惱就像把麻煩分成兩半。Youarehalfwaytosolveaproblemjustbytalkingtosomeoneaboutit!你只要跟人聊聊這個問題，你就已經(jīng)解決了問題的一半。Itsbestnottorunawayfromourproblems.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.asksb.(not)todo要求某人（不）做某事6.ordersth.（from）（從）訂購某物ordersb.(not)todo命令某人（不）做某事MayItakeorderforyou?我能為你點餐嗎？inordertodo/inorderthat+句子為了7.tootosothatnotenoughtodo8.Letsdosth,shallyou?Letsb.dosth,willyou?/wontyou?9.upset(adj.)難過的，失望的，沮喪的beupsetaboutsb./sth./doing對某人/某事/做某事沮喪10.takeataxi成出租車rideabike騎單車walk/fly/driveto11.advice(ucn.)apieceofadvice一則建議givesb.someadvice給某人提一些建議getadvicefrom從某人處獲取建議giveadvicetosb.給某人建議advise(v.)advisesb.todo建議某人做某事advisesb.on/aboutsth.建議某人關于某事建議：suggestion(cn.)givesb.somesuggestionssuggest(v.)長距離的旅行或國外旅行trip短途游玩或有目的的旅行aschooltrip學校郊游journey遠距離的陸地旅行13.unless/ifnot除非Youllbelateunlessyouhurryup./Youllbelateifyoudonthurryup.14.worry(v.)worryabout擔心(n.)havealotofworries過多擔憂worried(adj.)beworriedabout.擔心15.trusttosth.依賴/靠某物16.beafraidtodo/ofdoingbeafraidthat+從句害怕.17.share.withsb.與某人分享.runawayfrom逃離/逃避.cutinhalf切分兩半18.angry(adj.)angrily(adv.)beangrywithsb.對某人生氣beangryat/aboutsth.對某事生氣19.experience（cn.）經(jīng)歷（ucn）經(jīng)驗havealotofexperience有很多的經(jīng)驗20.makemistakes/amistake犯錯誤+insth/indoing在（做）某事犯錯誤dosth.bymistake錯做某事21.Itsbest(forsb.)todo（對某人來說）最好做某事haveproblemswithsth.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 wont come.Half 表達開會嘍一半的工人： 一個半小時：半數(shù)的學生都來自中國。他半輩子住在農村。3. Lets order food from a restaurant.order: 訂購，點菜; 命令 order sth. from sp. 從某地訂購某物 order sb. to do sth. 命令某人做某事4. If we ask people to bring food, theyll just bring potato chips and chocolate because theyll 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名詞修飾名詞變復數(shù)時只變后面的名詞特例：a man/ moman teacher-men/ women teachers練習：-What is your favourite food?-I like _ best. I had a large bowl last night.A.potato noodleB. potatoes noodle C. potato noodles D. potatoes noodles3.too.to. 太.而不能.He is too young to go to school.so. that. 太.以至于.(that 后面加完整的一句話)He is so young that he cant go to school.5. If I take a taxi, it will be too expensive.Take a ; by ; walk to fly to drive to6. 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 themselvestalk to other people.由反身代詞構成的常用短語help oneself to. 隨便吃/喝.enjoy oneself . 玩得開心teach oneself . 自學.talk 相關詞組talk with/to sb. talk about talk over talk in a low/high voice8. Unless we talk to someone, well certainly feel worse.Unless 可以與if 引導的否定條件狀語從句進行同義句轉換。Eg. Youll be late unless you hurry up. =_9. Laura once lost her wallet, and worried for days.worry v. 擔憂，擔心worry about 擔憂某人/ 某事I worry about my son/ my exam.worried adj. 擔憂的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be afraid to do sth. 因害怕而不敢做某事be afraid of doing sth 擔心或害怕出現(xiàn)某種后果He is afraid to go. 因害怕而不敢走He is afraid of falling. 害怕掉下去11. If I tell my parents, theyll be angry.angry adj. 發(fā)怒的，生氣的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 sometimes made careless mistakes himself.make mistakes 犯錯誤careless 粗心的 細心的 _care n. 關心，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 out 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Lets cut the cake in half and share it with our teacher.18. Who else can you get advise from?請注意介詞的使用。 Get advise from三單元語法 if 引導的條件狀語從句經(jīng)典句型和考點。I dont 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 dont take part in such an activity.四單元練習單項選擇。1If you study harder，you will _ go to college.Aare able to Bbe able Ccan be able to Dbe able to2Nobody went there with him.He went by _.Ahim Bhimself Chis Dthemselves3Im late for school today.I think my teacher must be _ me.A. worried about B. pleased with Cfriendly to Dangry with4If she _，shell have a great time.Ado Bwill do Cdoes Ddid