Unit3 Grammer in use 课件 2026-2027学年九年级上册仁爱科普版英语

该初中英语课件聚焦后缀“-en”的构词用法（动词/形容词）及一般现在时、一般过去时被动语态，通过“Think & Share”观察单词变化、图片句子分析等活动导入，引导学生自主发现规则，搭建“观察-总结-应用”的学习支架，衔接语法知识与实际运用。 其亮点在于以学生探究为核心，通过“分析实例-总结规则-情境练习”提升思维品质与语言能力，如用Post-it Notes发明史文本练习被动语态，结合小组协作完成语法任务。小结清晰，作业分层，助力学生掌握语言规则并灵活运用，为教师提供结构化教学资源，提高课堂效率。

Unit 3 Great Ideas Grammar in Use 1.7.2013 ‹#› Learning Objectives 通过本课的学习,学生能够： 1.掌握后缀-en的用法，并能用其构成新词。 2.理解并运用一般现在时和一般过去时的被动语态。 3.通过观察、分析和练习，自主发现语法规则，并在 小组协作中完成语法练习和交流。 1.7.2013 ‹#› Think & Share Q1:Look at the words:What do you notice about the suffix “-en”? wide→ widen short→shorten The Suffix “-en” Turn adjectives into verbs. Example: sharp → sharpen Grammar in Use The suffix -en 1.7.2013 ‹#› 1. In the old days, stone was difficult to transport, so many wooden houses were built. Activity 1 Look at the pictures and read the sentences. Pay attention to the words in bold. 2. Television can enrich people’s lives and broaden their minds. It was one of the greatest inventions in the 20th century. 3. Around 2000 BCE, woolen clothing appeared in China. What do you think the suffix ‘-en’ does? Let’s find out. /wʊdn/adj. 木制的 /ˈbrɔːdn/v. 增长，变宽，变阔 /ˈwʊlən/adj. 羊毛的，毛线的 1.7.2013 ‹#› Adjective + -en → Verb • wide →widen • short →shorten Noun + -en → Adjective • wood →wooden • wool →woolen More Examples • bright → brighten • gold → golden The Suffix -en: Rules & Usage 形容词形式（v.）+en “使某事成为……”或“成为……”. 名词形式（n.）+en “由……制成的”或具有……品质的。 2. 一、名词 + -en → 形容词 wood (n.) + en → wooden (adj. 木制的) gold (n.) + en → golden (adj. 金色的) wool (n.) + en → woolen (adj. 羊毛的) 二、形容词 + -en → 动词 wide (adj.) + en → widen (v. 拓宽；变宽) short (adj.) + en → shorten (v. 缩短；变短) 1. 形式：在形容词或名词后面加“-en”来改变它们的词性。 1.7.2013 ‹#› Activity 2 Make new words with the suffix -en and fill in the blanks with their correct forms. wood short wide dark At first, Chinese people used _________ boards to print books. The invention of movable type printing greatly improved printing quality and _________ printing time as well. If you want to invent something, you need to _________ your knowledge. When the sky began to _________, sailors had to depend on stars to find the right direction. -en wooden shortened widen darken 活字印刷术 找到正确方向 1.7.2013 ‹#› Activity 3 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 become bright at night. → The light bulb is an important invention. It _________ the world around us at night. Tip: The suffix“-en”can be added to some adjectives to form verbs, meaning "to make something become...". (e.g., sharp → sharpen; bright → brighten; wide → widen; dark → darken) sharpened brightens 1.7.2013 ‹#› Practice quick weak soft deep -en Rereading can _________ our understanding of the passage. Hearing the good news, excitement _______ my heartbeat. Too much stress __________ her body. Warm water _________ the piece of dry cloth. deepen quickens weakens softens 1.7.2013 ‹#› I was woken up by my mom too early this morning. Hi, Kangkang, why do you look so tired? 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. Activity 1 Pair work. Read the conversation. Pay attention to the passive voice of verbs in bold. 熬夜 火箭模型表演 Grammar in Use Passive voice (I) 1.7.2013 ‹#› I made a model rocket last night. by last night. I me a model rocket A model rocket was made Many people are used computers. Many people computers computers are used by many people. 主动语态： 主语 + 动词 + 宾语 被动语态： 主语 + be + 过去分词 + by + 宾语 1.7.2013 ‹#› Passive Voice: Structure “be” (tense) + past participle (V3/ed) Simple Present Passive am / is / are + past participle (done) Example: English is spoken all over the world. Simple Past Passive was / were + past participle (done) Example: The telephone was invented by Bell. Usage 1: Unknown/Unimportant Doer When the doer of the action is unknown, unimportant, or obvious to the listener/reader. Usage 2: Emphasis When we want to emphasize the action itself or the receiver (the subject) of the action.) Rules & Usage 1.7.2013 ‹#› Activity 2 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 The passport __________ (discover) in the Lost and Found. Many art works __________ (create) by young people today. The airplane __________ (invent) by the Wright brothers in 1903. Clear instructions __________ (prepare) to help the workers use the new machine. is discovered are created was invented were prepared 1.7.2013 ‹#› Activity 3 Complete the text with the correct form of the 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 __________ (become) a great success in Boise, Idaho. Now, Post-it Notes __________ (sell) all over the world. were developed be used became are sold 1.7.2013 ‹#› Practice Fill in the blanks with the correct form of the words in brackets. The Great Wall _____________ (build) over 2,000 years ago. Reading can _____________ (rich) our minds and _____________ (broad) our horizons. This kind of paper _____________ (make) from bamboo. The invention of the compass _____________ (able) sailors to sail across the ocean. was built enrich is made enabled broaden 1.7.2013 ‹#› We learn: • how to use the suffix ‘-en’ to form verbs and adjectives. • the structure and usage of the simple present and simple past passive voice. We can: • use the suffix ‘-en’ correctly in sentences. • change active sentences into passive sentences. • use passive voice to describe inventions and historical events. Summary 1.7.2013 ‹#› You should 1.复习后缀“-en”和被动语态的规则。 2.完成练习册上的练习。 You may 1.用至少3个被动语态的句子，写一段（约80字）介绍四 大发明之一。 2.再找5个带“-en”后缀的单词并造句。 Homework 1.7.2013 ‹#› Thank you! 1.7.2013 ‹#› $