Unit 9 Lesson 5 Grammar in Use第一课时Compound Words 课件 2025-2026学年仁爱科普版八年级英语下册

八下Unit 9 Lesson 5 Grammar in Use Learning Objectives 通过本节课的学习，学生能够： 1. 在语境中理解、归纳合成词的构成形式及表意功能； 2. 小组合作，运用所学谈论自然灾害，进一步增强安全防范意识。 Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. A snowstorm is a storm with strong winds and a lot of snow. Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. A thunderstorm is a storm with thunder and lightning. Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. An earthquake is a quake of the surface of the earth. Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. A snowstorm is a storm with strong winds and a lot of snow. + = snow storm snowstorm Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. A thunderstorm is a storm with thunder and lightning. + = thunder storm thunderstorm Activity 1 Look at the pictures and read the sentences. Pay attention to the compound words in bold. + = earth quake earthquake An earthquake is a quake of the surface of the earth. When we put two words together, we will make a new word with a new meaning. + = earth quake earthquake + = snow storm snowstorm + = thunder storm thunderstorm The new word is a compound word (复合词). 1.What are compound words? 1. flash + light = flash 闪光，闪现 flashlight 2. after + shock = 以后的 剧烈震动 aftershock (地震后的)余震 3. sand + storm = 沙子 和风暴有关的恶劣天气 sandstorm 沙尘暴 手电筒 flashlight sandstorm aftershock supermarket 1. You’d better bring a(n) __________ if you need to walk on a dark road. 2. People living in the desert know how to keep themselves safe when a(n) __________ comes. 3. We should buy cooked food and clean water in the _____________ before snowstorm. 4. A strong __________ of the earthquake happened about 40 minutes later, and it caused more harm to the area. Activity 2 Fill in the blanks with the given words in the box. flashlight sandstorm supermarket aftershock 2.Types of Compound Words ①Closed Compound Words These words are written as one single word without spaces. Examples: ☆bedroom ◆snowstorm 2.Types of Compound Words ②Open Compound Words These words are written as two or more separate words, but they function as a single idea. Examples: ☆ice cream ◆post office 2.Types of Compound Words ③Hyphenated(用连字符连接的) Compound Words These words use a hyphen(-) between the words to connect them. Examples: ☆twenty-one ◆mother-in-law 3.How to Form Compound Words 复合词是通过组合不同的词类形成的 ①名词 + 名词 football ②形容词 + 名词 greenhouse ③动词 + 名词 swimming pool ④动词 + 副词 runaway(失控的) ⑤名词 + 过去分词 man-made ⑥名词 + 形容词 oil-rich ⑦形容词 + 现在分词 good-looking ⑧形容词 + 过去分词 narrow-minded ... 4.Grammar Function 作为单一词汇使用，有独立的词性。 Examples: ☆bookstore n.书店 ◆hardworking adj.努力的 复合词的词性通常由后半部分单词的词性决定。 判断下列复合词的词性 1.blackboard ____ 2.peace-loving ___ 3.overcome ___ 4.babysit ___ 5.ice-cold____ 6.well-known ____ 7.keyboard ___ 8.full-time ___ (例外情况) n. adj. v. v. adj. adj. n. adj. Complete the words. 1.over_____ vt.克服 2.back________ n.后院 3.water_______ n.西瓜 4.business______ n.商人 5.hard________ adj.勤奋的 6.water____ n.瀑布 7.heart________ adj.令人心碎的 8.cup______ n.纸杯蛋糕 9.under_________ n.地铁 10.skate_________ n.滑板 11.space_____ n.宇宙飞船 12.under________ v.理解 13.silk_______ n.蚕 14.wild______ n.野火 come yard melon man working fall breaking cake ground board ship stand worm fire ①light + house = lighthouse ②snow + man = snowman ③rain + bow(弓，鞠躬) = rainbow ④tooth + brush = toothbrush ⑤pop(使爆裂) + corn = popcorn ⑥sun + flower = sunflower ⑦jelly(果冻) + fish = jellyfish ⑧butter + fly = butterfly A. B. C. D. E. F. G. H. E B H G A D C F Group work Make new words by joining two words together. light note bathe book board bag book case moon waste bowl ball sun paper mother bed part room coat green time news foot house black grand rain hand fish paper 1._______ 2.________ 3.________ 4.________ 5.________ 6._______ 7.________ 8.________ 9.________ 10._______ 11.______ 12.______ 13._______ 14._______ 15._______ moonlight notebook sunbathe blackboard handbag bookcase wastepaper fishbowl football newspaper grandmother bedroom part-time raincoat greenhouse With fewer grasslands in some areas, the sandstorm appears more often. Sandstorms can cover farmlands, cause traffic accidents, and harm human health. People should take action in time to fight against sandstorms. Or the sandstorm may become a worldwide problem. Activity 3 Read the text and guess the meaning of the underlined words. grassland grass + land 草原，草场 sandstorm sand + storm 沙尘暴 farmland farm + land 农田，耕地 worldwide world + wide 世界各地的，影响全世界的 fewer较少的 take action采取行动 in time及时地 fight against与...作斗争 With fewer grasslands in some areas, the sandstorm appears more often. Sandstorms can cover farmlands, cause traffic accidents, and harm human health. People should take action in time to fight against sandstorms. Or the sandstorm may become a worldwide problem. Q1:Which word does the picture remind you of? Q2: What may happen if there is a sandstorm? Q2: What can happen if there is a sandstorm? 1. Sandstorms can cover farmlands. 2. Sandstorms can cause traffic accidents. 3.Sandstorms can harm human health. With fewer grasslands in some areas, the sandstorm appears more often. Sandstorms can cover farmlands, cause traffic accidents, and harm human health. People should take action in time to fight against sandstorms. Or the sandstorm may become a worldwide problem. Q3: What causes a sandstorm? A sandstorm appears because there are fewer grasslands. With fewer grasslands in some areas, the sandstorm appears more often. Sandstorms can cover farmlands, cause traffic accidents, and harm human health. People should take action in time to fight against sandstorms. Or the sandstorm may become a worldwide problem. Q4: What should people do to prevent sandstorms? ①People should plant the right tree in the right place. ②Everyone should try to be a greener person. Every small action counts. Let's start from now: save every drop of water, plant more trees, say no to disposable plastics(一次性塑料), and never litter(乱扔). Together, our efforts will be a powerful force against sandstorms. Let's protect our home and make the sky bluer! $