Unit 4知识点牛津译林版 八年级上册英语.docx

1. Here are clear instructions. 这是一个倒装句。a. 在以here，there等简短副词引起的句子中，这类句子采用全部倒装.（动词是be, come, go等时，大多数带有引起注意的含义)b.注意：如果主语是人称代词，则不用倒装 e.g.Here she came.2. Youd better get some tools. (3)_ _ _ tell him. 我最好不告诉他。 (4) What _ we _ do? 我们最好做什么？3 . It says, “Do it yourself.” “上面写着，内容是”用say(s)/read(s) ,不用write(s)4. Whats DIY exactly? -It stands for “Do It Yourself . 1）exact adj. 准确的；严密的；精密的，精确的 exactly adv. 确切地；精确地练习1： Nobody_ _ _ _ofpolarbears.没有人知道北极熊的确切数量。 2： He _ _ what he was doing. 他清楚地知道自己在做什么。 2） stand for 代表，象征5. .instead of paying someone to do it. instead of作为短语介词，instead of 后面常跟名词、代词和动名词 (1) If you dont have free time, _ _ _ _ _如果你没时间，我将代替你去。 (2) Instead of _ a hand, he laughed at us. 他不仅没有帮我们一把，反而嘲笑我们。 instead 单独使用的时候式副词，常用于句末或句首。 (1) Weve no coffee. Would you like tea _. 我没有咖啡了，喝茶行吗？ (2) It will take days by car, so lets fly _.坐汽车得好几天，所以我们还是改乘飞机。用instead的句子也可以用instead of替换She never studies. Instead, she plays tennis all day.= _6. My cousin Andrew is crazy about DIY.crazy 做形容词，意为“着迷的，发疯的，狂热的”，常在句中做定语或表语。常用短语:be crazy about 意为“对着迷；非常喜欢”7. He once tried to put in a brighter light in his bedroom ,but he made a mistake .1) put in “安装”，指安装某种设备，以备使用。归纳：put up举起，张贴 put away 收拾，整理 put off 推迟，拖延put on 穿上 put down 放下 put out 扑灭2) have a power cut 停电3) make a mistake 意为 “犯错误，出差错 ”8. but he hit a pipe and filled the room with water。fillwith意为“用装满”其中fill做及物动词，意为“装满，填满”be filled with = be full of 9. Now the living room has not only blue walls but （also） a blue ceiling and floor.not only but also意为“不但而且.”可以连接并列的主语，宾语或表语; 当连接并列的主语时，谓语动词的形式由but also后的主语来决定。(就近原则)10. I also advised him to take a course in DIY.advise 做动词，意为“建议，劝告，忠告” advise sb to do sth advice 做名词（U）a piece of advice 11. Mix them together. Add some salad cream if you like. 祈使句。mix up 混淆；拌和；调和 E.g. Dont mix up different kinds of seeds.12. Cut some of the larger fruit into small pieces. cut into 把.切成与cut相关的词组：cut up 切碎 cut out 裁出，挖出 cut off 切断13. Can we stop cleaning the house and make some food?stop doing sth.停止做某事stop to do sth.停下来开始做某事 14. -Are you able to fix your bicycle, Andy? -No. Im uncertain that I can fix it myself. 1）： fix vt. 修理 adj. Fixed 固定的【例题精讲】 2）： uncertain adj. 不确定的， 是certain 的反义词un-是一个否定前缀，由它构成的词还有：uncomfortable, unimportant , uninteresting等。im-和in-也是否定前缀，由它构成的词有：inactive, incorrect, impatient, impossible等。15. I decided to make her a birthday card by myself. 1）decide to do sth. = make a decision to do sth.= make up ones mind to do sth 决定做.E.g. He decided to go abroad for further education. 他决定出国深造。2) by oneself = on ones own = alone 独自Grammar（一）祈使句-祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。1. 肯定的祈使句（1）动词原形+其他 Stand up, please. = Please stand up. 请起立。（2）Be + adj. Be careful! = Look out! = Take care! 小心 / 当心！（3）Lets + 动词原形 Lets go to school together. 咱们一起上学去吧。2. 否定的祈使句（1）Dont/Never + 动词原形 Dont stand up. 别站起来。 Dont be careless. 别粗心。（2）Lets ( let sb ) + not + 动词原形 Lets not say anything about it. 对于这件事，咱们什么也别说。 3.祈使句的反意疑问句(1) 肯定祈使句的反意疑问句反问部分用will you 或wont you。 Please open the door, will/ wont you? 请把门打开，好吗？(2) 否定祈使句的反意疑问句反问部分只用will you。 Dont be late again, will you? 别再迟到了，行不行？(3) 以lets开头的祈使句反意疑问句反问部分用shall we。 Lets turn on the TV, shall we? 我们把电视打开，好吗？<特别注意> 只有以lets开头的祈使句的反意疑问句的反问部分才用shall we，而let us 开头的祈使句的反意疑问句的反问部分应为will you或wont you.如：Let us stay here, will/ wont you? 请（你）让我们留在这好吗？（二）should，had better的用法should后接动词原形，我们常用它来提出建议。should的否定式为should not/shouldnt。had better意为“最好”，后接动词原形，其否定式在had better后加not。