八年级上册Units5、6详解.ppt

【对点训练】 ①确保你每晚有充足的睡眠。 _____ ____ that you have enough sleep every night. ②务必准时来到这里! ___ ____ __ _____ here on time! Make sure Be sure to come 【授课备选】 There aren’t many tickets left for the concert, you’d better　　　that you get one today. A. make sure of B. make a decision C. make sure D. make plans 【解析】选C。考查短语辨析。make sure of“确保; 确定; 弄清”; make a decision“做出决定”; make sure(that)“确保; 确信”; make plans“制订计划”。句意: 音乐会的票剩得不多了, 你最好确保今天弄到一张票。由空格后的that从句可知选C。 考点六: be able to能; 会 【词义辨析】be able to与can的异同 表示“能力”时, 两者同义, 可以互换 同 can除表示“能力”外, 还可以表示请求、许可或猜测, 而be able to则不可以 用法 be able to有人称和数的变化, 而can没有人称和数的变化, 后跟动词原形 数 can只有两种时态, 即一般现在时和一般过去时; 而be able to可以用于各种时态 时态 异 【对点训练】 ①Maybe robots ____________ (将能够)talk to people. ②James _______________ (能够)swim when he was only three years old. ③I _____________ (能; 会)speak good English. will be able to could/was able to can/am able to 【授课备选】 Can you finish the work on time yourself? (改为同义句) ____ you ____ __ finish the work on time yourself? Are able to 考点七: What do you want to be when you grow up? 你长大了想做什么? 【知识构建】 (1)when意为“当……时候”, 引导时间状语从句。在含有when引导的时间状语从句的主从复合句中, 如果主句和从句的动作都发生在将来, 从句用一般现在时表示将来。 What are you going to do when you graduate? 你毕业了想做什么? (2)when与while的用法区别 When the teacher came in, the children were talking. 老师走进教室时, 孩子们正在说话。 表示“当……时候”, 既指时间点, 又指一段时间, when引导的时间状语从句中的动词可以是终止性的也可以是延续性的 when Mike is strong while his younger brother is thin. 迈克很强壮, 而他的弟弟却很瘦。 while还可作并列连词, 意为“而”“却”, 表示对比关系 Lisa was singing while her mother was playing the piano. 莉萨在唱歌, 而她妈妈在弹钢琴。 表示“当……时候”, 仅指一段时间, 从句中的动作必须是延续性的, 一般强调主从句的动作同时发生 while 【对点训练】选词填空 while, when ①I will show Jane around the city _____ she comes to visit me. ②Mum was reading _____ I was doing my homework last night. when while 八年级上册　 Units 5、6 Ⅰ. 单词记忆 【核心速记】 1. ____(v. n. )　　　　　打算; 计划 2. _____(v. n. ) 希望 3. _______(v. ) 发生; 出现 4. ______(v. ) 预料; 期待 5. _______(n. ) 文化; 文明 6. _______(adj. )