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1、八年级下册英语重要知识点归纳M1重要语法：感官性系统词：feel(摸起来)、look(看起来) 、smell(闻起来)、 taste(尝起来 ) sound(听起来),后接形容词作表语，不能接副词。构成疑问句或否定句要借助助动词。The silk dress feels soft. The flowers look very beautiful. Does it smell nice? The song doesnt sound be noisy.对名词或名词短语感叹用what2. What a delicious smell! 多么香啊！ 感叹句结构：What+ a/an+形容词+单数可数名
2、词+（主语+谓语）！What an interesting book it is! What+形容词+不可数名词/复数名词+（主语+谓语）！What bad weather it is today!对形容词、副词或动词感叹用howWhat good students they are! How +形容词/副词+主语+谓语！ How fast he is running! How delicious it smells! How I miss the days we spent together!我多么怀念我们一起度过的日子！3.Im afraid+句子:恐怕 Im afraid he has
3、no time today.4. be done 做好了 Is your homework done?你的作业做好了吗？ Dinner is done!晚饭做好了！5. have a try 试一试；尝一尝6.have a sweet tooth 喜好甜食7.thanks for=thank you for+名词/动词-ing。因而感谢你。Thanks for your help.=Thanks for helping me . Thank you for inviting me to your party. 8. hear from=get /receive a letter from收到的
4、来信9.cant wait to do sth.迫不及待去做某事 I cant wait to see you.10.人+ spend+时间（in）doing sth.。=It takes +人+时间+to do sth. 某人花费多少时间做某事 He spent two days (in) reading the novel.=It took him two days to read the novel.11.too也（置于句末，前加逗号） also也(置于居中be或情态动词之后)as well也（置于句末，前不加逗号）12.be proud of以为豪 My parents are pro
5、ud of me.13. How do you feel about+名词/动词-ing？=What do you think of+名词/动词-ing？你觉得怎么样？ How do you feel about the film?=What do you think of the film? How do you feel about coming to China?=What do you think of coming to China?14. be afraid of+名词/动词-ing：害怕. I am afaid of dog/going out at night. be afra
6、id of doing sth.=be afraid to do sth. 害怕做某事 She is afraid of sleeping alone at night.= She is afraid to sleep alone at night.15. What does sb. look like?某人长得怎么样（问外表）答：short/tall/young/pretty What is sb like?某人性格怎么样？（问性格或品质）答：quiet/nice/strict/kind. -What does your English teacher look like? -He is t
7、all with pair of glasses. -What is your English teacher like? -He is strict but friendly.M2重要语法：现在完成时（一）：描述过去已经、曾经或还没有做过某事的经历或体验，对现在造成的影响。结构：have/has +动词过去分词(否定) havent/hasnt +动词过去分词 含义：已经/曾经做过 还没有做过标志词：already、ever、never、yet、just等。 I have seen the movie.我已经看过这部电影。（我现在了解该电影了。） He has already finishe
8、d his homework.他已经完成了作业。（他可以交作业了） We havent had dinner yet. 我们还没有吃晚饭。 （我们现在饿） Have you ever entered a speaking competition?你曾经参加过演讲比赛吗？（变一般疑问句把have/has 提到句首） Yes, I have./No, I havent. 2.enter a competition=take part in a competition参加竞赛3.help sb.(to) do sth.帮助某人做某事 He often helps me learn English.4
9、. afford sth.买得起某物 I cant afford the new bike. afford to do sth. 付得起钱去做某事 =have enough money to buy sth.She cant afford to go to school.她没钱去上学。5. stop to do sth.=stop and then do sth.停下来去做某事 stop doing sth.停止做某事Im tired. Lets stop to have a rest.我累了。让我们停下来休息一下吧！Its time for class now. Lets stop talk
10、ing.上课时间到了！让我们不要讲话了！6. make up编写 make up a story编故事 make it/them up (代词要放中间)7.invite sb. to do sth.邀请某人做某事8. fifteen-year-old十五岁的（复合形容词中的名词不能加s ,作定语） fifteen years old 十五岁 （短语，不能作定语，常作表语）He is fifteen years old.=He is a fifteen-year-old boy.9.at the moment =now此刻（常用于现在进行时中）10. have/has been to+某地：曾经
11、去过某地（人已经回来，常与次数连用）have/has gone to +某地：到某地去了（人未回，不能与次数连用）have/has been in +某地：在某地呆/逗留（常与for +时间段连用）I have been to Hong Kong twice.He isnt here now. He has gone to the USA.We have been in China for 20 years.11. be different from与.不同12.find it +形容词+ to do sth. 发现做某事是.的（it 是形式宾语，无义，替代后面不定式）I find it ea
12、sy to learn maths. 我发现学数学很容易。 Tony finds it hard to speak Chinese. 托尼发现说汉语很难。13. so far到目前为止（常用于现在完成时）So far I have learnt 3，000 English words.14. all over the world=around the world 全世界15.count down 倒数 M31. already已经（常用于现在完成时肯定句句中或句末）I have already known himyet尚，还（常用于现在完成时否定句或疑问句句末）Has it arrived y
13、et？ just 刚刚（常用于现在完成时肯定句句中）They have just arrived.2. What are your up to?=What are you doing?你在忙什么？3.Im not sure how to make it.= Im not sure how I can make it.4. Thats why .那就是的原因了。5. in order to+动词原形：为了 He works so hard in order to get the best score. so that+句子=in order that+句子：为了 He works so hard
14、 so that (in order that) he can get the best score.6. there is(现在完成时形式)there has been 已经有/存在 there are(现在完成时形式)there have been已经有/存在 There have been many buildings in our village since 15 years ago.7.go around围绕转8. none of +名词复数/宾格+动词（单/复形）：没有一个（既指人也指物） no one +动词（单）=nobody（仅指人，不与of 连用，常用于who提出的问题）N
15、one of the students know(s) the anwer. 没有一个学生知道答案。-How many people are there in the room? None.一个也没有（强调数量）No one knows the answer. Whos in the classroom?- No one.没有人（强调有没有人）9. be called被称为 10.a small part of .的一小部分municate with与联系 12.finish doing sth.完成做某事 13.write back回信M4重要语法：1.现在完成时（二）：描述一个动作或状态从过去持续到现在乃至将
