1、,Module 3 Journey to space Unit 3 Language in use,Have you heard some news about space? What are they?,Language practice,Work in pairs,how many planet the name of the planets recently, which one has been degraded how to travel in space development in China recently, which one has been degraded the f

2、uture of exploration in space,Work in groups,Example : A: Have you ever heard that there is a planet degraded recently ? B: No, I havent. C: Does B know which planet is the largest one ? A: Yes, he / she has.,Grammar,現(xiàn)在完成時(shí)(2),Grammar,現(xiàn)在完成時(shí)用在什么地方呢？,當(dāng)我們要表達(dá)“某人曾經(jīng)做過某事”, “某人已經(jīng)做了某事”等意思時(shí), 英語要用“現(xiàn)在完成時(shí)”來表達(dá)。,否定

3、句 I have not worked. He/She has not worked. They have not worked.,肯定句 I have worked. He/She has worked. They have worked.,havent,hasnt,havent,現(xiàn)在完成時(shí)的結(jié)構(gòu)： has/have + done (動(dòng)詞過去分詞),現(xiàn)在完成時(shí)的肯定形式是： 現(xiàn)在完成時(shí)的一般疑問句形式是：,She / He / It / 或人物的單數(shù)形式,has done sth,I/We/You/They或人物的復(fù)數(shù)形式,have done sth,現(xiàn)在完成時(shí)的一般疑問句形式是：,Has

4、done sth?,she / he / it / 或sb的單數(shù)形式,Have done sth?,I / we / you / they / 或sb的復(fù)數(shù)形式,我父母曾經(jīng)坐船去大連旅游。 她已經(jīng)完成作業(yè)。 我父母未曾坐船去過大連旅游。,My parents have travelled to Dalian by ship.,She has done (finished) her homework.,My parents havent travelled to Dalian by ship.,她還沒有完成作業(yè)。 你父母曾經(jīng)坐船去大連旅游嗎？ 她已經(jīng)完成作業(yè)了嗎？,Have your paren

5、ts travelled to Dalian by ship?,Has she done (finished) her homework?,She hasnt done (finished) her homework.,要表達(dá)“剛剛做完某事”、“已經(jīng)做完某事”時(shí)，我們同樣可以用現(xiàn)在完成時(shí)。如: I have just heard the news. Astronauts have already been to the moon.可以看出，just 用來表示“剛剛”，already 用來表示“已經(jīng)”，一般置于have/has之后，兩者都用于肯定句，在否定句中則要用yet,表示“還（未）”。如：

6、 The scientists havent heard from it yet.,have been to 與have gone to 的區(qū)別,1. have (has) been to意為“曾經(jīng)去過某地”，表示現(xiàn)在已經(jīng)不在那里了?？膳cjust, ever, never等連用。如：,Ive just been to the post office. 我剛才去郵局了。 Have you ever been to Hangzhou? 你曾經(jīng)去過杭州嗎？ Mary has never been to the Great Wall. 瑪麗從未去過長城。,have (has) been to 后面可接

7、次數(shù)，表示去過某地幾次。 Ive been to Beijing three times. 我去過北京三次。 They have been to that village several times. 他們已經(jīng)去了那個(gè)村莊好幾次了。,have been to 與have gone to 的區(qū)別,2. have (has) gone to 意為“到某地去了”，表示到了某地或正在去某地的途中?？傊?，說話時(shí)該人不在現(xiàn)場，一般不用第一、第二人稱代詞作句子的主語。如： Where is Tom? 湯姆在哪里？ He has gone to the bookshop. 他到書店去了。,have been to 與have gone to 的區(qū)別,與現(xiàn)在完成時(shí)連用的幾個(gè)副詞： 肯定句: 疑問句和否定句: yet 常置于句末 already, never, ever, just一般置于助動(dòng)詞have/has之后，過去分詞之前。,already, just, ever, yet, never,already, just,ev