八年级英语上册 Module 3 Unit 3《Language in use》同步授课课件 外研版.ppt

module3journeytospaceunit3languageinuse haveyouheardsomenewsaboutspace whatarethey languagepractice workinpairs howmanyplanetthenameoftheplanetsrecently whichonehasbeendegradedhowtotravelinspacedevelopmentinchinarecently whichonehasbeendegradedthefutureofexplorationinspace workingroups example a haveyoueverheardthatthereisaplanetdegradedrecently b no ihaven t c doesbknowwhichplanetisthelargestone a yes he shehas grammar 现在完成时 2 grammar 现在完成时用在什么地方呢 当我们要表达 某人曾经做过某事 某人已经做了某事 等意思时 英语要用 现在完成时 来表达 否定句ihavenotworked he shehasnotworked theyhavenotworked 肯定句ihaveworked he shehasworked theyhaveworked haven t hasn t haven t 现在完成时的结构 has have done 动词过去分词 现在完成时的肯定形式是 现在完成时的一般疑问句形式是 she he it 或人物的单数形式 hasdonesth i we you they或人物的复数形式 havedonesth 现在完成时的一般疑问句形式是 hasdonesth she he it 或sb的单数形式 havedonesth i we you they 或sb的复数形式 我父母曾经坐船去大连旅游 她已经完成作业 我父母未曾坐船去过大连旅游 myparentshavetravelledtodalianbyship shehasdone finished herhomework myparentshaven ttravelledtodalianbyship 她还没有完成作业 你父母曾经坐船去大连旅游吗 她已经完成作业了吗 haveyourparentstravelledtodalianbyship hasshedone finished herhomework shehasn tdone finished herhomework 要表达 刚刚做完某事 已经做完某事 时 我们同样可以用现在完成时 如 ihavejustheardthenews astronautshavealreadybeentothemoon 可以看出 just用来表示 刚刚 already用来表示 已经 一般置于have has之后 两者都用于肯定句 在否定句中则要用yet 表示 还 未 如 thescientistshaven theardfromityet havebeento与havegoneto的区别 1 have has beento意为 曾经去过某地 表示现在已经不在那里了 可与just ever never等连用 如 i vejustbeentothepostoffice 我刚才去邮局了 haveyoueverbeentohangzhou 你曾经去过杭州吗 maryhasneverbeentothegreatwall 玛丽从未去过长城 have has beento后面可接次数 表示去过某地几次 i vebeentobeijingthreetimes 我去过北京三次 theyhavebeentothatvillageseveraltimes 他们已经去了那个村庄好几次了 havebeento与havegoneto的区别 2 have has goneto意为 到某地去了 表示到了某地或正在去某地的途中 总之 说话时该人不在现场 一般不用第一 第二人称代词作句子的主语 如 whereistom 汤姆在哪里 hehasgonetothebookshop 他到书店去了 havebeento与havegoneto的区别 与现在完成时连用的几个副词 肯定句 疑问句和否定句 yet常置于句末already never ever just一般置于助动词have has之后 过去分词之前 already just ever yet never already just ever yet never a haveyou b yes no usingalready just ever yet never individualactivity exercise checkanswers manystudentslikewritinga everyday 2 mostofthechildrendon twanttotell totheirparents 从方框中选择适当的单词并用其正确形式完成句子 evenrealsecrettwicediary diary secrets 3 haveyoubeentoshanghai yes ihave 4 arethereanyspidermeninthe world 5 nowtheairinourhometownis worsethanitwasbefore sowemustdosomethingtostopit twice real even peter haveyoufinishedyourhomework yes misslin i ve finishedit 2 whatareyougoingtodothissunday ihaven tdecided 3 shallitellsallyaboutit no youneedn t i vetoldher 用already yet和just完成句子 just yet already 4 mr smithphonedyou now heaskedyoutocallhimback 5 haveyoureadthebookwhomovedmycheese yes ihave readitseveraltimes 6 haveyouvisitedmountaintai yes iwenttherelastweek already yet just 1 where suncleblack ican tfindhim he go tosichuantohelppeopleinadisasterarea 灾区 2 youever eat beijingroastduck yes it sdelicious 3 ihave notsee watermargin 水浒 really i see ityesterday iii 用括号内所给动词的适当形式完成句子 hasgone haveeaten neverseen saw 4 howlong you work inthefactory forfiveweekstillnow 5 shenzhen be asmalltownfiftyyearsago nowit become alargecity 6 they explore thisdesertregion 地区 forfiveyears 7 thechild name afteritsfather haveworked was hasbecome haveexplored wasnamed have their yet homework finished they 2 my i yet seen haven t teacher 3 another at planet to have look started just we vi 连词成句 havetheyfinishedtheirhomeworkyet wehavejuststartedtolookatanotherplanet ihaven tseenmyteacheryet 4 ho