Unit 3 Lesson 5 Grammar in Use 课件 2026-2027学年仁爱科普版英语九年级上册

该初中英语课件围绕“Great Ideas”主题，聚焦一般过去时被动语态与一般现在时被动语态的区别及后缀-en构词规则。课堂导入通过图片和含加粗词的句子，如“wooden houses were built”，自然衔接被动语态与构词知识，搭建学习支架。 其亮点在于通过表格归纳-en构词规则（形容词/名词+en→动词）及被动语态结构，结合Post-it Notes发明故事等实例练习，培养学生语言能力（语法与词汇运用）和思维品质（分析归纳）。情境化活动设计让学生高效掌握知识，教师可直接用于课堂提升教学效果。

Unit 3 Great Ideas Grammar in Use 1 Learning aims 能掌握一般过去时的被动语态及其与一般现在时的被动语态的区别 能掌握后缀-en的构词规则并正确使用其构成的词 2 Lead in Look at the pictures and read the sentences. Pay attention to the words in bold. In the old days, stone was difficult to transport, so many wooden houses were built. Television can enrich people’s lives and broaden their minds. It was one of the greatest inventions in the 20th century. Around 2000 BCE, woolen clothing appeared in China. 3 Activity 1 Know how to use words with suffixes -en Look at the words below and summarize the rules. 形容词 动词 含义 wide widen 加宽,使变宽 broad broaden 拓宽,使开阔 deep deepen 加深,使变深 strong strengthen 加强,使变强 weak weaken 削弱,使变弱 soft soften 使变软,缓和 4 形容词 动词 含义 hard harden 使变硬,变坚固 sharp sharpen 削尖,使锋利 quick quicken 加快,使变快 thick thicken 加厚,使变稠 light lighten 使变轻,照亮 dark darken 使变暗 后缀-en加在形容词后构成动词(表示“使变得……”) 结构: 形容词 + -en 动词(使……变得……) Summarize 名词 动词 含义 strength(力量) strengthen 加强 length(长度) lengthen 延长 fright(恐惧) frighten 使害怕 threat(威胁) threaten 威胁 haste(匆忙) hasten 催促,加快 后缀-en加在名词后构成动词(表示“使具有……”或“变成……”) 结构: 名词 + -en 动词 Summarize 特殊变形规则 情况 规则 例词 以e结尾 只加 -n wide widen,white whiten 以t结尾 直接加 -en fast fasten(系紧,t不发音) 注意: 以 -t 结尾加 -en 时,有时字母 t 不发音,如: soften / s fn/(使变软) fasten / f sn/(系紧) Exercise Make new words with the suffix -en and fill in the blanks with their correct forms. wood short wide dark + en 1. At first, Chinese people used boards to print books. 2. The invention of movable type printing greatly improved printing quality and printing time as well. 3. If you want to invent something, you need to your knowledge. 4. When sky began to , sailors had to depend on stars to f ind the right direction. wooden shorten widen darken 8 Read the sentences and replace the parts in bold with proper words. I like this invention. In the past, pencils were sharpened by hand, but now pencils can be made sharp by using a small tool. Pencils can be by using a small tool. I like the invention of the light bulb. It makes the world around us bright at night. The light bulb is an important invention. It the world around us at night. sharpened brightens Activity 2 Use adverbial clause of time correctly Hi, Kangkang, why do you look so tired? I was woken up by my mom too early this morning. You stayed up late last night, right? Yes, I did. I made a model rocket last night. It was made for the model rocket show this Sunday. Complete the table and learn how to use the passive voice. Simple Present Passive Simple Past Passive Active Passive Active Passive do am/is/are done did was/were done 1. The passport (discover) in the Lost and Found. 2. Many art works (create) by young people today. 1. The airplane (invent) by the Wright brothers in 1903. 2. Clear instructions (prepare) to help the workers use the new machine. is discovered are created was invented were prepared When was the zipper invented? It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? It’s used for serving really cold ice-cream. Active Voice : Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876. 探究语法规律 What did you find out? 探究一:主动语态和被动语态的概念和转换 主动语态:主语Alexander Graham Bell是动作invent 的执行者。 主动语态 被动语态 被动语态:主语The telephone是动作invent 的承受者。 Alexander Graham Bell invented the telephone in 1876. The telephone was invented (by Alexander Graham Bell) in 1876. 主动语态 被动语态 主(执行者) 谓 宾(承受者) ① ② ③ 主(承受者) 谓 by(执行者) 主动语态变为被动语态的注意事项: 几种特殊的被动语态 ① “不及物动词 + 介词/ 副词”(介词/副词不与动词拆开或漏掉) e.g. The man cut down the tree. ② 在主动句中, 使役动词(如make等)和感官动词 (如see, watch, notice, hear等)后面常接不带to的动词不定式作宾语补足语; 但在被动句中,这些词后面的动词不定式都带to。 e.g. We heard Mary sing in the next room. 感官动词 一感二听三让四看 主动句中to 离开,被动句中to回来 We often heard Kate sing in the room. The tree was cut down by the man. Mary was heard to sing in the next room. Kate was often heard to sing in the room (by us). ③ 含有双宾语的主动句变被动句时,如果直接宾语(物)作主语,则需在间接宾语(人)前加介词to或for。 e.g. Peter gave me a pen. 间接宾语 直接宾语 a. I was given a pen by Peter. ④ 有些动词常用其主动形式表示被动意义,如sell, wash, write等和表示感觉、知觉的系动词feel, sound, taste, smell等。 e.g. This kind of dress sells well. The fish tastes very delicious. 含有双宾语的主动句变为被动语态时,通 把指 “人”间接宾语变为主语,而指“物的直接宾语则不变 如果要把指“物”的直接宾语变为主语,则在间接宾语前加to或for。 b. A pen was given to me by Peter. Some food was brought to him (by me). I brought him some food. Simple Past Passive Active Passive did was/were done 1. The airplane (invent) by the Wright brothers in 1903. 2. Potato chips (invent) by George Crum in 1853. was invented were invented 探究二:一般过去时被动语态谓语动词的构成 主语+was\were+ done(过去分词)+其他成分 Tom made the new machine last week. The new machine by Tom last week. was made 一般过去时的被动语态的句式结构 肯定句 主语+was/were+及物动词的过去分词( + by…) 否定句 主语+was/were + not+及物动词的过去分词(+ by…) 疑问句 Was/Were+主语+及物动词的过去分词(+by …)? 特殊疑问词+was/were+主语+及物动词的过去分词( +by)? 2. 一般过去时的被动语态的基本用法 用法 示例 表示过去某一具体时间发生的动作,且句子的主语是谓语动词动作的承受者 The house was built in 1990. 这所房子建于1990年。 讲述发生在过去的动作,且不知道动作的执行者 He was honored with the name “ Father of Hybrid Rice”.他被授予“杂交水稻之父”的称号. Exercise Complete the text with the correct form of given words. Post-it Notes (develop) by Dr. Spencer Silver and Art Fry. In 1968, Spencer invented a special type of glue by accident. This glue could allow things to stick lightly and to be pulled off easily. However, he did not know how to put it to use. In 1974, Art Fry found that the glue could (use) to keep the notes from falling and then created Post-it Notes. In 1977, Post-it Notes first appeared at the market and they became a great success in Boise, Idaho. Now, Post-it Notes (sell) all over the world. were developed be used are sold Homework 1 Write ten sentences with passive voice. 2 Preview the next period. 18 $