新概念英语第二册34课PPT课件

1、hope for the best, but prepare for the worst.抱最好的希望，做最坏的打算。 first come, first served.先來后到。did you do anything special yesterday?have you ever been to a police station? have you been on the scene of a crime? station stein stein n. 车站, 站, 局, 驻地 railway/bus station tv station police stationbureau bjr n

2、. 局,办公处price bureau tax bureau most must ad. 最;相当,非常 e.g. the most important discoveries a most interesting movie dan robinson has been worried all week. last tuesday he received a letter from the local police. in the letter he was asked to call at the station. dan wondered why he was wanted by the

3、police, but he went to the station yesterday and now he is not worried any more. at the station, he was told by a smiling policeman that his bicycle had been found. five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away. it is now being sent to hi

4、s home by train. dan was most surprised when he heard the news. he was amused too, because he never expected the bicycle to be found. it was stolen twenty years ago when dan was a boy of fifteen ! first listen and then answer the question: how long had the police taken to find his bicycle?a local ne

5、wspaper the headmaster called on the students to work harder. i cant eat any more.d)（无意地，顺便地）获得，找到：你在哪儿买到那本书的？ where did you pick up that book?现在学生们正在打扫教室。the classroom is being cleaned now.时态主动语态被动语态(be+过去分词）一般现在时see / seesam(is,are)+seen一般过去时sawwas(were)+seen一般将来时will (shall) +seewill(shall)+be+se

6、en(过去将来时)would(should)+seewould(should)+be+seen现在进行时am(is,are)+seeingam(is,are)+being+seen(过去进行时)was(were)+seeingwas(were)+being+seen现在完成时have(has)+seenhave(has)+been+seen(过去完成时)had+seenhad+been+seen含情态动词情态动词+see情态动词+be+seen以以see为例，比较主动语和态被动语态的结构形为例，比较主动语和态被动语态的结构形式式we had learned over two thousand

7、english words by the end of last term. 10,000 patients.2. 由“过去的过去”来判定：过去完成时表示“过去的过去”，是指过去某一动作之前已经发生或完成的动作，即动作有先后关系，动作在前的用过去完成时，在后的用一般过去时。这种用法常出现在： (1) 宾语从句中: 当宾语从句的主句为一般过去时，且从句的动作先于主句的动作时，从句要用过去完成时。在told, said, knew, heard, thought等动词后的宾语从句。如： 她说她以前看过这电影。she said that she had seen the film before. (

8、2) 状语从句中: 在时间、条件、原因、方式等状语从句中，主、从句的动作发生有先后关系，动作在前的，要用过去完成时，动作在后的要用一般过去时。如： 当我到达车站时，火车已经离开了。when i got to the station, the train had already left. 他完成作业以后，就上床睡觉了。after he had finished his homework, he went to bed. 注意：注意：before, after before, after 引导的时间状语从句中，引导的时间状语从句中，由于由于 before before 和和 after afte

9、r 本身已表达了动作的先后关系，本身已表达了动作的先后关系，若主、从句表示的动作紧密相连，则主、从句都用一般过若主、从句表示的动作紧密相连，则主、从句都用一般过去时。如：去时。如： 你来这儿之前在哪儿学习？你来这儿之前在哪儿学习？where where did you study (had did you study (had you studied)you studied) before you before you came herecame here? ? 他关上门，离开了教室。他关上门，离开了教室。after he closedafter he closed the door, the

10、 door, he he leftleft the classroom. the classroom. (3) 表示意向的动词，如hope, wish, expect, think, intend, mean, suppose等，用过去完成时表示原本，未能我们原本希望你会来，但你没来。we had hoped that you would come, but you didnt.3. 根据上、下文来判定。 昨天我在街上见到了王涛，自从他来到北京后我们还没见过面。i met wang tao in the street yesterday. we hadnt seen each other si

11、nce he came to beijing. dan robinson was worried because he heard from _ . yesterday he went to _ . a smiling policeman told him that his bike stolen _ years ago was found. at the news, he was not only very _ but also _ .the local policethe station20surprisedamusedcall on/upon 拜访(某人) call (sb) up 给某人打电话call off 取消 call out(to) (向)大声喊 call at 拜访(某地) call in 召集, 邀請 用恰当的词填空 : 1 i called_ you five times yesterday. were you out?2 its too late to go to the pictures. why dont we call the whole thing _?3