Unit 7 When Disaster Strikes 语法课件2025-2026学年中职英语外研版（2021）基础模块1

Unit 7 When Disaster Strikes World Building When Disaster Strikes Learning Objectives To master the common ways of word building. To remember and use English words quickly by word building. 2 When Disaster Strikes Oh, we should also move the flowerpots off the balcony so they don’t blow off and hurt passersby. Do you feel powerless at the thought of natural disasters? We can also have an earthquake preparation workshop. We can clean the streets and help replant some of the trees that were uprooted. 3 When Disaster Strikes Group 1 flowerpots passersby earthquake workshop Group 2 replant uprooted powerless natural preparation Derivatives 派生词 compound word 合成词 4 When Disaster Strikes flowerpot passersby earthquake workshop flower花 +pot锅，容器 passers 过路人 + by earth地球 + quake震动 work工作 + shop场所, 商店 花盆 经过者，过路人 地震 车间，工作坊 Compound words are formed by two independent words. (合成词由两个独立的词合并构成） 5 When Disaster Strikes replant uprooted powerless preparation re重复, 再 + plant 种植 up向上 + root 根茎 + ed power力量 + less无，没有 prepar准备 + ation（名词后缀） 再种，再植 连根拔起的 无力的 准备 Derivatives are formed by a root adding s prefix, or a suffix. (派生词是由词根加前缀或后缀构成） 6 When Disaster Strikes 前缀如un-, im-, anti-, pre-, mis-, dis-等一般用来改变词义, 如 important plant root unimportant 不重要的 replant 重新种植 uproot 连根拔起 重要的 种植 根部 生根 7 When Disaster Strikes 前缀如un-, im-, anti-, pre-, mis-, dis-一般用来改变词义, 如 lead appear correct mislead 领错 disappear 消失 incorrect 不正确的 带领 出现 正确的 8 When Disaster Strikes 后缀通常会改变单词的词性, 构成意义相近的其他词性。如： -ence -(e)r/ -or -ese 某地人 从事某事的人 -ess 雌性 -less -ian -ist 专业人员 精通……的人 -ment 性质；状态 不, 从 -tion -al -able 有能力的 … 动作；过程 9 When Disaster Strikes differ v.不同于 difference n. 区别 write v. 写 writer n. 作家 act v. 表演 actress n. 女演员 power n. 力量 powerless adj. 无力的 nature n. 自然 natural adj.自然的 reason n. 道理 reasonable adj. 有道理的 translate v. 翻译 translation n. 翻译 10 When Disaster Strikes Summary 1. Ways of word formation: synthesis / compound word, derivative 2. Common prefix: un-, im-, anti-, pre- 3. Common suffix: -tion, -er, -al, -ful, -less 11 Thank you! Unit 7 When Disaster Strikes $