1、【New words and expressions】 detective n. 偵探 main adj. 主要的 airport n. 機場 steal v. 偷 expect v. 期待，等待 guard n. 警戒，守衛(wèi) valuable adj. 貴重的 precious adj. 珍貴的 parcel n. 包裹 stone n. 石子 diamond n. 鉆石 sand n. 沙子 airfield n. 飛機起落的場地 detective n. 偵探 detective story 偵探小說airport n. 機場airfield n. 飛機起落的場地 port 港口；air

2、port 航空港 at the airport 在機場 field 田野；airfield 停機坪 on the airfield 在停機坪上expect v. 期待, 等待 vt.&vi. 預計，預料 Jim has failed in mathematics as his teacher expected. 正如他老師所預料的那樣，吉姆數(shù)學考試沒及格。 vt. 等待，期待，盼望（心理上的等待） They are expecting guests tonight. 今晚有人要去他們那里作客。 expect所表示的等待一般暗含著根據(jù)某些信息或規(guī)律而作出相應(yīng)反應(yīng)的意思，而wait for

3、主要接續(xù)“等待”這個動作本身。 expect sth. I expect a letter from Jimmy. expect sb.to do sth. 期待某人做某事 I expect you to write back. I expect my mother to come back. wait for sth./sb. 動作上的等待 I wait for my mother. vt. 認為，猜想（一般用于口語） I expect so./I think so. 我希望如此口語 I expect youve heard the news. 我想你已經(jīng)聽到這個消息了。valuable a

4、dj. 貴重的precious adj. 珍貴的 value n.&v. 價值；valuable adj.有價值的 sth.is valuable/sth.is precious precious adj. 珍貴的（帶有一定的感情色彩） precious photo 珍貴的照片 -less 表否定; priceless adj. 沒有價格的, 無價的 valueless adj. 沒有價值, 不足道的 worthless adj. 無價值的diamond n. 鉆石 diamond ring 鉆石戒指 precious stone 寶石；crystal 水晶；jade 玉steal（s

5、tole，stolen） v. 偷 vt.&vi. 偷盜，行竊 英語中“偷”用steal和rob來表達，賓語是物，用steal；賓語是人，用rob；跟地點相連，也用rob steal sth. 偷(某物) My wallet was stolen. John never steals. 約翰從不偷東西。 rob sb. 搶(某人) I was robbed. rob the bank vt. 巧妙地占用，偷偷地弄到手 He has stolen away Marys heart. 他已贏得瑪麗的芳心。 vi. 偷偷地行動，悄悄靠近 He stole into the room. 他悄悄

6、地進了房間。main adj. 主要的 main building；main street； main sentence；main idea main不能與人連用guard n. 警戒, 守衛(wèi) life guard 救生員 body guard 保鏢 keep guard 守望，警戒 They kept a close guard over the thieves. 他們對小偷們嚴加看管。 stand guard 站崗，放哨【Text】 The plane was late and detectives were waiting at the airport all morning. They

7、 were expecting a valuable parcel of diamonds from South Africa. A few hours earlier, someone had told the police that thieves would try to steal the diamonds. When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. Two men took

8、 the parcel off the plane and carried it into the Customs House. While two detectives were keeping guard at the door, two others opened the parcel. To their surprise, the precious parcel was full of stones and sand!1、The plane was late and detectives were waiting at the airport all morning. all一般直接加

9、表示時間的單數(shù)名詞構(gòu)成副詞短語，如：all day，all night，all week，all winter，all year等。但不說all hour。 whole在表達同樣的意思時一般要加冠詞或數(shù)詞，如a whole day/year，two whole weeks。 all morning=all the morning The plane was late 飛機晚(點)了 The bus was late./The train was late. detectives 沒有強調(diào)一些偵探或者那些偵探, 強調(diào)偵探這種人，籠統(tǒng)感念, 可不加some, the2、They were expe

10、cting a valuable parcel of diamonds from South Africa. a valuable parcel of diamonds a cup of tea 強調(diào)的是茶 South Africa 南非3、A few hours earlier, someone had told the police that thieves would try to steal the diamonds. a few hours earlier 幾個小時以前 = a few hours before/a few hours ago would +do 過去將來時,間接方式

11、, 轉(zhuǎn)述, 站在過去看未來4、When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. 代詞others常常和some連用，表示“有些（人），也有些（人）”或“有的，其余的” onethe other 一個另一個 someothers 一些另一些 Some students are very hard-working, others are not. others=other+名詞復數(shù)5、Two m

12、en took the parcel off the plane and carried it into the Customs House. take sth. off=take sth. away from and carried it intocarried 表示看得很重 Customs House 海關(guān)6、While two detectives were keeping guard at the door, two others opened the parcel. To their surprise, the precious parcel was full of stones a

13、nd sand! were keeping guard at the door, two others opened the parcel. 表面上是分工, 兩個動作同時發(fā)生, 不是同時開始同時結(jié)束, 延續(xù)時間不一致, 長一點時間的動作用進行時態(tài), 短時間的動作用過去時. When someone knocked at the door, I was having dinner. keep guard 守衛(wèi) They kept a close guard over the thieves. at the door 在門邊(固定搭配) two others=two other detective

14、s to ones surprise,讓某人驚訝的是 To my surprise, the teacher was late. To ones +表達人情緒的名詞 to ones joy To my joy, my mother came hereyesterday. to ones excitement To our excitement, our team wins. be full of .裝滿 My bag was full of books. The cup is full of water.過去進行時 過去進行時的構(gòu)成：be的過去式+現(xiàn)在分詞 過去進行時和一般過去時經(jīng)常同在一個句

15、子里使用。過去進行時表示過去正在進行的動作或情況，一般過去時則表示比較短暫的動作或事件。正在進行中的動作或情況往往由連詞when，while，as，just as等引導。 when，while 當時候（強調(diào)動作同時發(fā)生） while+從句, 動詞一定是延續(xù)性動詞 when+延續(xù)性動詞/瞬間動詞 while能用when代替，但是when卻不一定能用while代替。while通常只引導持續(xù)時間較長的動作，并且主句和從句可以同時用過去進行時，而when和as一般不這么用。 John was watching TV while his wife was talking with a neighbour

16、 over the phone. Just as I was leaving the house, you came in. when也可以引導比較短暫的動作，while和as則一般不行。 We were having supper when the lights went out. 過去進行時往往與表示一段時間的狀語連用，如all morning，all night，all day，all evening，the whole week等，表示這段時間一直在干什么。 What were you doing all evening? I couldnt find you anywhere. 過去

17、動作同時發(fā)生的時態(tài) 過去兩個動作同時發(fā)生, 習慣上一個用一般過去時, 另一個用過去進行時；動作長用過去進行時, 動作短用一般過去時; 分工的情況, 動作的開始時間和結(jié)束時間幾乎相同, 均用過去進行時; I was listening to the radio, my sister was dancing. When my mother was doing the housework, my father was watching TV. 兩個動作在同時段進行, 在不同時間結(jié)束, 先發(fā)生的動作未結(jié)束, 另一個動作發(fā)生, 先發(fā)生的動作用進行時態(tài), 另一個動作用過去時. When I was ope

18、ning the door, the telephone rang.先開門 When the telephone was ringing, I opened the door.電話先響 瞬間動詞（如：arrive）沒有進行時態(tài), 所以兩個動作同時發(fā)生, 延續(xù)性動詞用進行時態(tài), 瞬間動詞使用過去時態(tài). When he arrived, I was having dinner. I am arriving 進行時態(tài)表示將要Exercises D 1 As my father _ (leave) the house, the postman _ (arrive). was leaving；arrived(兩個瞬間動詞同時發(fā)生可能性很小, 應(yīng)具體分析, 故用進行時態(tài)表將來) 5 While mother _ (prepare) lunch, Janet _ (set) the table. set the table擺桌子 was prepari