1、Unit 5 What are the shirts made of ?,人教九年级英语,Section A（4a-4c）,Grammar Focus,Grammar Focus,在英语中，动词有两种语态，即主动语态和被动语态。被动语态的基本结构是“助动词 be +及物动词的过去分词”，其中助动词be有人称、数和时态的变化,其变化规则与be作为连系动 完全一样。,一般现在时的被动语态,Grammar Focus,1.一般现在时被动语态的各种句式结构,助记：,被动不离“be” “p.p.”, “p.p.”前面助动be。 主谓一致莫忘记，am, is, are现在时。,Grammar Focus,
2、2.一般现在时被动语态的基本用法,Grammar Focus,3.主动语态变为被动语态的方法,第一步:将主动语态的宾语改为被动语态的主语； 第二步:将主动语态的谓语改为“be+及物动词的过去分词”结构； 第三步:将主动语态的主语改为介词by的宾语，放在谓语之后(有时可省略)。 如图示：,They (主语）grow (谓语）tea (宾语）in the south-east of China.,被动语态:,主动语态:,Tea (主语）is grown (谓语）by them in the south-east of China.,课文解析,What language is spoken in G
3、ermany? 在德国人们说什么语言？Germany名词，意为“德国”，是国家名称。 German是其形容词形式，意为“德国的”;还 可作名词，意为“德语;德国人”。例：The weather in Germany is quite different. 德国的天气截然不同。A German speaks German.德国人说德语。,知识拓展,词尾为-man表示某国人的单词的复数形式一般是把-man变为-men.例：an Englishman two Englishmena Frenchman two Frenchmen但是, German “德国人”的复数形式则是直接加-s。例：a Ger
4、man two Germans,课文解析,2.Most of the earths surface is covered by water. 地球表面的大部分被水覆盖。surface (the outside or top part of something) 名词，意为“表面;表层”。例：The bowl has a shiny surface.这个碗表面光亮。surface (the outer appearance of person, thing or situation.) 作名词，还可表示“外表；外观”例：Her gentleness is only on the surface.
5、她只是外表温和而已。,课文解析,3. Careless driving causes many traffic accidents. 粗心驾驶导致很多交通事故。traffic名词，意为“交通;路上行驶的车辆”，指的是路上来往的车辆和行人，是不可数名词。 例：There is heavy traffic during the rush hours.上下班时间交通很繁松。There is little traffic on this road.这条路上行驶的车辆很少。,4a Complete the sentences with the correct forms of the verbs in
6、brackets.,Children under 18 _ (not allow) to watch this show without their parents. 2.We _ (pay) by the boss on the last Friday of each month. 3.A: What language _ (speak) in Germany? B: Most people speak German, but many can speak English, too. 4.Most of the earths surface _ (cover) by water. 5.The
7、 classroom _ (clean) by the students every day.,are not allowed,are paid,is spoken,Practice,is covered,is cleaned,4b Rewrite the sentences using the passive voice.,Farmers plant the tea on the sides of mountains.The tea is planted on the sides of mountains by farmers. 2. This shop uses the best mate
8、rials to make dresses._ 3. Careless driving causes many traffic accidents._,The best materials are used to make dresses by this shop.,Many traffic accidents are caused by careless driving.,Practice,4. The postman brings letters and postcards to peoples homes. _ 5. Our family does not use this silver
9、 plate very often. _,Letters and postcards are brought to peoples home by the postman.,This silver plate is not used very often by our family.,Practice,4c Ask five classmates about something they are wearing or have in their schoolbags. The list of words below may help you.,pencil, jacket, sweater, T-shirt, shoes, cap, gloves, ring.,A: Whats your pencil made of? B: Its made of wood. A: Where was it made? B: It was made in Shanghai.,Practice,THE ENDTHANKS,PPT模板下载： 行业PPT模板： 节日PPT模板： PPT素材下载： PPT背景图片： PPT图表下载： 优秀PPT下载： PPT教程： Word教程： Excel教程： 资料下载： PPT课件下载： 范文下载： 试卷下载： 教案下载：
