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1、Unit 1 Has it arrived yet?EarthMarsalreadyjustmodelstation地球地球火星火星已经已经,早已早已刚刚刚刚,刚才刚才模型模型站站;所所;局局;车站车站Words and expressionsspace stationpaniclatestseveralmonth 太空站太空站;宇宙空间站宇宙空间站(使使)感到惶恐感到惶恐最近的最近的;最新的最新的几个的,数个的几个的,数个的月月Words and expressionsdiscoverrecentlyspace shuttleshow (showed, shown)over发现发现最近最近航

2、天飞机航天飞机展示展示;给给看看多于(某时间多于(某时间,数量数量,花费等)花费等)Words and expressions1. Has it arrived yet? 它已到达了吗?它已到达了吗?arrive, get与与reach三者都有三者都有“到达到达”之意。之意。 arrive是不及物动词,其后必须加介词是不及物动词,其后必须加介词才能跟宾语。才能跟宾语。arrive in后接表示洲、国后接表示洲、国家、城市等大地方的名词,而家、城市等大地方的名词,而arrive at后后接表示车站、学校、邮局等较小地方的接表示车站、学校、邮局等较小地方的名词;名词;When does the t

3、rain arrive in London?火车什么时候到达伦敦?火车什么时候到达伦敦? get也是个也是个不及物动词不及物动词,其后加其后加介词介词to,再接地点名词;再接地点名词;What time does the plane get to New York?这架飞机几点到达纽约?这架飞机几点到达纽约? reach是及物动词是及物动词,其后可直接接名词其后可直接接名词或代词作宾语。或代词作宾语。They reach school at 7 oclock in the morning.他们早上他们早上7点到校。点到校。2. What are you up to?你在忙什么?be up to

4、忙于忙于 ,从事于,从事于,正在做正在做3. It has taken several months to get there. 它花了几个月的时间才到那里。它花了几个月的时间才到那里。本句所使句型为本句所使句型为:“It takes sb. some time to do sth.” 意为意为“某人花时间做某事某人花时间做某事”,其中,其中it是形是形式式主语,动词不定式主语,动词不定式to do sth是真正的主是真正的主语,常与句型语,常与句型sb. spenddoing sth互换。互换。 It took us an hour to send this email.= We spent

5、 an hour sending this email.我们花了一个小时发这个电子邮件。我们花了一个小时发这个电子邮件。4. And have the astronauts discovered life on Mars? 宇航员在火星上发现生命了吗?宇航员在火星上发现生命了吗?invent, find与与discover的区别:的区别: invent意为意为“发明发明”,指经过认识和实,指经过认识和实践创造出前所未有的事物;践创造出前所未有的事物; find意为意为“发现,找到发现,找到”,指对某种事,指对某种事物物的寻求,也指找到(丢失的事物)。的寻求,也指找到(丢失的事物)。 disco

6、ver表示表示“偶然或经过努力发现客偶然或经过努力发现客观存在的事物、真理或错误观存在的事物、真理或错误” 。5. Id like to show it to them. 我想把它给他们看看。我想把它给他们看看。 show后接双宾语,当物和人都是名词后接双宾语,当物和人都是名词 时,可用时,可用show sb. sth.=show sth. to sb. 当物和人都是代词时,必须把物放在当物和人都是代词时,必须把物放在 前面。前面。二、你能翻译下列短语吗?二、你能翻译下列短语吗?到达北京到达北京数百万数百万做生意做生意多于,超过多于,超过最新消息最新消息知道很多知道很多返回返回在太空飞船里在太

7、空飞船里arrive in Beijingmillions of on businessmore thanthe latest newsknow a lot come back in the spacecraft1. Wheres Ben? He_ to the teachers office. Hell be back soon. (2011福州福州) A. go B. has gone C. has been 2. Will you please go to see the movie Guanyinshan with me? No, I wont. I _ it already. (20

8、11聊城聊城) A. saw B. have seen C. see D. will see 3. She isnt at the cinema now because she _ the library. (2011南宁南宁) A. has been to B. have been to C. have gone to D. has gone to4. Jim isnt in the classroom. Where is he? He _ to the teachers office. (2011武汉武汉) A. will go B. has gone C. had gone D. is

9、going 5. Id like you to tell me something about Shen Nongjia. Im sorry, but neither Jack nor I _ there. ( 2013湖北孝感市湖北孝感市) A. have been B. has been C. have gone D. has gone注意:注意:already,just多用于肯定句中,多用于肯定句中,ever ,yet, never多用于疑问句和否定句中。多用于疑问句和否定句中。 用用 already, just或或never, yet完成句子完成句子1) I have been to

10、many big cities, but Ive_ been to Shanghai.2) Most of us have _finished our compositions.3)Have they taken down the old pictures_? No, not _.4) He has _visited Beijing twice.5) I have _ heard the news. I know it.yetyetalreadyalreadyneverjust时态填空:时态填空:1. I _ (be) hungry now, I _ (not have) dinner.2.

11、A: Where _ you _ (live) in 1990? B: I _ (live) on a farm.3. Look! The cup is broken! Who _ (break) it?4. A:_ you _ (be) to the Great Wall yet? B: Yes, I _ (go) there last year.5. A: _ she _ (write) a letter to her grandpa yet? B: No, she _ (write) it this evening.6. Sam _ (like) _ (take) photos, he

12、_ (take) 1000 photos.7. A: Wheres your brother? B: He _ (go) to school to play basketball.8. _ (not draw ) on the wall, children. amhavent had didlivelivedhas broken Have been wentHas writtenwill writelikes takinghas takenhas goneDont draw 现在完成时现在完成时动作发生在过去,对现在有影响。have/has + 过去分词 1.都表示过去发生的事 2.现在完成时

13、强调过去和现在的联系,不能和具体的时间状语连用; 3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用(last, ago, yesterday, etc. )presentpast和过去时态的区别及联系:20072009Eddie was born four years ago.pastpresentEddie has lived with Millie since he was born.pastpresentEddie has lived with Millie for four years. We use the present perfect tense to talk ab

14、out things that started in the past and continue to the present. We also use the present perfect tense to talk about things that happened in the past and have connection with the present. 用法二用法二: for+段时间段时间 since+点时间点时间 since+句子(过去时)句子(过去时)E.g. Kate has lived here for 3 years. Kate has lived here si

15、nce 3 years ago. Kate has lived here since she came to China.表示过去某个时间开始的动作表示过去某个时间开始的动作或存在的状态,一直持续到现或存在的状态,一直持续到现在并可能还将持续下去。动词在并可能还将持续下去。动词使用延续性动词。常与使用延续性动词。常与forfor或或sincesince引导的时间连用引导的时间连用since 和和for:1) Eddie has lived with Millie since 2001. Eddie has lived with Millie since 4 years ago. Eddie h

16、as lived with Millie since he was born.小结小结:since + 时间点时间点 ( 词、词组或句子)词、词组或句子)2) Eddie has lived with Millie for four years.小结小结:for + 时间段时间段 3) 对以上句子划线部分提问对以上句子划线部分提问:How long has Eddie lived with Millie?1.We have learned English _ Grade Three in primary school.We have learned English _ five years.2

17、.He hasnt felt well _ last night. Has he seen the doctor?3. I have read this story book _ three days ago. I havent finished reading it yet.选用选用since 或或for 填空填空:sinceforsincesince4. It has snowed _ two days. Everything is covered with snow.5. We have cleaned the classroom _ half an hour.6. We have st

18、udied at this school _ 2003.forforsince1.He _ (wait) for an hour.2.I _(not finish) the work yet.3. _ you _ (know) him since then?4.I _ (not hear) from my brother for a long time.5.We _ (be) there many times since 3 years ago. Fill in the blanks with the correct forms of the verbs.has waitedhavent finishedHave knownhavent heardhave been6.How lon

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