最新新概念第二册第七课讲解

1、Lesson 7 Too latetNew words and expressions （13） detective n.侦探detective story 侦探小说 airportn.机场 airfieldn.飞机起落的场地port 港口： airport 航空港at the airport 在机场field田野:airfield停机坪on the airfield 在停机坪上 expect v期待，等待 vt.&vi.预计，预料Jim has failed in mathematics as his teacher expected正如他老师所预料的那样.吉姆数学考试没及 格。 V

2、t等待，期待.盼望（心理上的等待）They are expecting guests tonight 今 晚有人要去他们那里作客。expect所表示的等待一般暗含着根据某些信息或 规律而作出相应反应的总思，而wait for主要接续 “等待”这个动作木身。expect sthI expect a letter from Jimmyexpect sb. to do sth.期待某人做某爭I expect you to write backI expect my mother to come backwait for sth. /sb. 动作上的等待I wait for my mother vt认

3、为，猜想（一般用于口语）I expect so. /I think so.我希望如此口语I expect you* ve heard the news我想你已经听到这个消息了。valuable adj.贵重的precious adj.珍贵的value n. &v.价值；valuable adj.有价值 的sth is valuable/sth is preciousprecious adj.珍贵的（帶有一定的感情色 彩）precious photo 珍贵的照片-less表否定；priceless adj.没有价格的，无价的valueless adj没有价值，不足道的worthless

4、adj.无价值的 diamond “钻石diamond ring 钻石戒指precious stone 宝石：crystal 水晶：jade 玉 steal （stole, stolen） v偷 vt.&vi.偷盗.彳亍窃英语中“偷”用steal和rob來表达，宾语是物. 用steal：宾语是人用rob：跟地点相连.也用 robsteal sth.偷（某物）My wallet was stolenJohn never steals.约翰从不偷东西。rob sb.抢（某人）I was robbedrob the bank vt.巧妙地占用，偷偷地弄到手He has stolen away

5、 Mary' s heart他已牘得玛丽的芳心。 vi.偷偷地行动，悄悄釜近He stole into the room. 他悄悄地进f房间。mam adj.主要的main building： mam street： mam sentence： main ideamain不能与人连用 guard n.警戒，守卫life guard救生员body guard保馋keep guard守望.警戒They kept a close guard over the thieves他们对小偷们严加看管。stand guard 站岗，放哨【课文讲解】Is The plane was late and

6、detectives were waiting at the airport all morningall 一般直接加表示时间的单数名词构成副词 短语，如：all day» all night all week» all winter all year 等。但不说 all hourowhole在表达同样的总思时一般嬰加冠词或数 词.女I! a whole day/year. two whole weeks«all mornmg=all the morningThe plane was late 飞机晚（点）了The bus was late/The train w

7、as latedetectives没有强调一些侦探或者那些侦探, 强调侦探这种人,笼统感念，可不加some, the2、They were expecting a valuable parcel of diamonds from South Africaa valuable parcel of diamondsa cup of tea强调的是茶South Africa 南非3、A few hours earlier, someone had told the police that thieves would try to steal the diamondsa few hours earli

8、er几个小时以前=a few hours before/a few hours agowould +do过去将來时，间接方式，转述，站 在过去看未來4、When the plane arrived, some of the detectives were waiting inside the mam building while others were waiting on the airfield代词others常常和some连用，表示“有些 （人），也有些（人）”或“有的， 其余的”onethe other一个另一个some-others- 一些另一些Some students are v

9、ery hard-working, others are notother s=other+ 名词复数5、Two men took the parcel off the plane and carried it into the Customs Housetake sth off=take sth away from-and carried it into-carried 表示看得很重Customs House 海关6、While two detectives were keeping guard at the door, two others opened the parce 1 To th

10、eir surprise, the precious parcel was full of stones and sand! were keeping guard at the door, two others opened the parce1表面上是分工，两个动作同时发生，不是同时 开始同时结柬，延续时间不一致，长一点时间的 动作用进行时态，短时间的动作用过去时.When someone knocked at the door, I was having dinnerkeep guard 守卫They kept a close guard over the thievesat the do

11、or在门边（固定搭配）two others=two other detectivesto one's surprise,让某人惊讶的是To my surprise, the teacher was lateTo one* s +表达人情绪的名词to one? s joyTo my joy, my mother came here yesterday to one' s excitementTo our excitement, our team winsbe full of装满My bag was full of booksThe cup is full of waterKey

12、structures过去进行时过去进行时的构成：be的过去式+现在分词 过去进行时和一般过去时经常同在一个句子里 使用。过去进行时表示过去正在进行的动作或情 况，一般过去时则表示比较短暂的动作或爭件。正 在进行中的动作或情况往往由连词when, while. as» just as 等引导。when- while 时候（强调动作同时发生）whiles从句，动词一定是延续性动词when-延续性动词/瞬间动词while能用when代替,但是when却不一定能 用while代替。while通常只引导持续时间较长的 动作，并且主句和从句可以同时用过去进行时.而 when和as 一般不这么用。

13、John was watching TV while his wife was talking with a neighbour over the phoneJust as I was leaving the house, you came in.when也可以引导比较短暂的动作.while和as 则一般不行。We were having supper when the lights went out过去进行时往往与表示一段时间的状语连用， 女I】all morning, all night, all day. all evening, the whole week等.表示这段时间一直在干什么

14、。What were you doing all evening? I couldn* t find you anywhere过去动作同时发生的时态 过去两个动作同时发生，习惯上一个用一般过去时，另一个用过去进行时：动作长用过去进 行时，动作短用一般过去时；分工的情况，动作 的开始时间和结束时间几乎相同，均用过去进行 时；I was listening to the radio, my sister was dancingWhen my mother was doing the housework, my father was watching TV. 两个动作在同时段进行，在不同时间结束，

15、先发生的动作未结束，另一个动作发生，先发生 的动作用进行时态，另一个动作用过去时.When I was opening the door, the telephone rang.先开门When the telephone was ringing, I opened the door. 电话先响 瞬间动词(如：arrive)没有进行时态，所 以两个动作同时发生，延续性动词川进行时态， 瞬间动词使用过去时态.When he arrived, I was having dinnerI am arriving进行时态表示将嬰Exercises D1 As my father (leave) the h

16、ouse, thepostman (arrive)was leaving： arrived(两个瞬间动词同时发生 可能性很小，应具体分析，故用进行时态表将來)5 While mother (prepare) lunch,Janet (set) the tableset the table 摆桌子was preparing： setSpecial Difficulties短语动词中的小品词许女动词加上介词或副词后就会改变词义.这 些介词和副词通常被称为小品词。它们没有词形的 变化。有些小品词既可以作介词又可以作副词。判 断一个小品词是副词还是介词要看小品词有没有 带宾语。有宾语的是介词，没有宾语

17、的是副词，介 词的位置相对固定.不能变动。 vi. &vt. + prep. /adv. + 宾语(n)She is walking up the hil1 vt +宾语(n /pron.) +adv.take off the coat =take the coat off =take it offput on your shoes =put your shoes on =putI always take money with me.我身上总带些 钱ExerciseII They have pulled down the old buildingpull down- （pull<

18、vt >：down<adv>）pull one* s leg 开玩笑You are pulling my leg你开我玩笑12 Make up your mindmake up>make up one* s mind 习惯用法不换，语法上可换13 He asked for permission to leaveask for>ask （sb.） for sth.其实是省略sb.故不可换Muitipie choice questions5 Someone had told the police that thieves would try to steal the

19、diamonds This happened _a_ the plane arriveda beforeb afterc whend as soon as两个动作先后发生（一个动作结束，另一个动 作才发生）用过去完成时before 在之前：as soon as 就9 The parcel was valuable It was ca worthb worthycpreciousd valuevaluable= preciousvalue n.价值worth v.值得，后面一定要加词something is worth*The book is worth reading. （动名词）The bo

20、ok is worth three dollarsworthy adj.有价值的be worthy of值得This book is worthy of being read to be read这木书值得一读.acts worthy of punishment 应该受处分的 行为worthless adj.无价值的something is worthless（后面不加任何东 西）them on10 The thieves wanted tothediamondsa robb stealtakefromd take to动词变名词加something做宾语的一定是steal构词法1 .v+ m

21、ent 结尾achieveachievement 成就 advertiseadvertisementagree agreement apartment 公寓 amusement 娱兀 aigueargument 争吵 commit 奉献一onmiitment compliment称赞，恭维2. V+ tion 结尾admit 承认一admission attract 吸引一attraction conclude onclusion 缙论 compete ompetition 竞争，比赛 discuss iscussion 讨论 educateeducationdecidedecision describe escription 描写，描绘 express 表达expression 词语； 表达 graduate 毕业一graduation operate 操作，动手术一 peration organizeorganization imagineimagination 想象力 introduceintroduction 介纟召 instructinstruction 指导,介绍 developdevelopment disgree isagreement department 局,部 experiment实验，试验 equip装