Unit3SectionA课件

Unit 3 What were you doing when the UFO arrived?Section A(1)温故知新温故知新:Free talk:A:What are you doing?B:Im-.Learningaims:1.Newwordsandphrasesonpage18.2.Talkaboutpastevents3.GrammarFocus:The Past Progressive Tense问题导学（一）：问题导学（一）：Do you know these words?Please learn the new words in groups.UFO barber,barber shop,bedroom.kitchen,get out问题导学问题导学(二二):Do you know about the UFO?UFO：UnidentifiedFlyingObject不明飞行物不明飞行物1947年年6月月24日，一名叫做阿诺德的美日，一名叫做阿诺德的美国商人，架着一架小型飞机在华盛顿国商人，架着一架小型飞机在华盛顿州上空，发现一组巨型不明飞行物以州上空，发现一组巨型不明飞行物以1000公里左右的速度，同他一起在空公里左右的速度，同他一起在空中翱翔。阿诺德的有关目击报告第一中翱翔。阿诺德的有关目击报告第一次引起公众的兴趣，从此次引起公众的兴趣，从此“飞碟飞碟”或或UFO便迅速流传开来。便迅速流传开来。合作探究（一）：合作探究（一）：Please look at the pictures and answer the questions:T:What were you doing when the UFO arrived?S:I was-.T:Where were you when the UFO arrived?S:I was in the bathroom.合作探究（二）：合作探究（二）：Please think about these questions:1.过去进行时的过去进行时的定义：定义：表示在表示在过去过去某一时刻或某一时刻或某一时间段某一时间段正在进行正在进行的的动作动作2.句型结构：句型结构：was/were+动词动词-ing3.时间状语：时间状语：(1)一般情况下有上下文的提示一般情况下有上下文的提示 (2)由由when 和和while 引导的时间状引导的时间状语语(3)具体到过去某个时间点如，具体到过去某个时间点如，at this time yesterday,at 9 oclock yesterday,-训练反馈：训练反馈：1.Finish off 1a,1b,2.完成单词及句子：完成单词及句子：1.My mother was cooking in the _(厨房厨房),when I got back home.2.My son was taking shower in the b_.kitchenathroom3.I go to the _(理发店理发店)to have a haircut once a month.4.When the teacher came in,_(所有的学生正在所有的学生正在读书读书).5._(那个女孩在写信那个女孩在写信)when I went out.barber shopall the students are reading books.That girl was writing a letter