最新人教版英语八年级下册知识点总结（精华版）作者：邓华U nit1 W hat’s the matter?一．重点短语1. have a cold感冒2. have a stomachache胃疼3. have a sore back背疼4. have a sore throat喉咙疼5. have a fever发烧6. lie down and(have a) rest躺下休息7.have a rest休息8. hot tea with honey加蜂蜜的热茶9.drink lots of water多喝水10.see a dentist看牙医see a doctor看医生11.lots of ,a lot of, 许多。
大量a lota lot of=lots of，可以修饰可数名词复数和不可数名词，一般用在肯定句中：T here are lots of（a lot of）books in our library.T here is a lot of water on the grounda lot,是一个副词词组，跟动词连用；表示十分，很等意思；T hanks a lot.12. have a toothache牙疼13. T hat’s a good idea好主意14. go to bed去睡觉go to bed early早上床睡觉15. feel well感到好feel ill感到不舒服I don’t feel well= I’m not feeling well我感觉不舒服.16. start doing/ to do sth开始做某事to do是一件事情完成了，开始做另外一件事情doing是原来的那件事情做到一半，现在又开始做了，是同一件事情。
17. two days ago两天前18. get some rest多休息, 休息一会儿19. I think so我认为是这样20. be thirsty口渴21. be hungry饥饿22. be stressed out紧张23. listen to music听音乐24. healthy lifestyle健康的生活方式25. traditional C hinese doctors传统中医26.need to do sth需要做某事I have a toothache. I need to see a dentist. 我牙痛, 我需要去看牙医.W e need to keep our classroom clean. 我们需要保持教室的干净. 27.too much+ 不可数名词太多的…much too+形/副实在太…极其，非常too many+ 可数名词复数太多的…28 .be good for sth./ doing sth. 对什么有益，对什么有好处be bad for sth./ doing sth. 对什么有害be good to对…好be good at=do well in在……方面好，擅长be good(bad) for、be good at的相关用法1). be good for对......有益D oing morning exercises is good for your health.做早操对你们的建康有益。
2). be good at擅长于......L i P ing is good at basketball.李平擅长于篮球。
= L i P ing is good at playing basketball.李平擅长于打篮球。
be good at= do well in如：I'm good at math. = I do well in math.我擅长于数学。
3). be good to对......好P arents are always good to their children.父母亲总是对他们的孩子好。
29.get good grades取得好成绩30.angry用法be angry with sb生某人的气I was angry with him for keeping me waiting .我对他很生气，因为他让我等了好久。
be angry at/ about sth就某事生气31.I t’s easy to do sth做某事是容易的。
I t’s important to do sth. 做某事很重要。
32.balanced diet平衡饮食33.get tired感到疲倦be/get tired34.stay healthy保持健康=keep healthy=keep in good health35.H e shouldn’t eat anything=H e should eat nothing. 他不应当吃任何东西.36.give sb some advice给某人建议give advice提出建议advice是不可数名词a piece of advice一则建议take one’s advice采纳或听从某人的建议H e gave me some good advice .他向我提了一些很好的意见。
49.sleep8 hours a night每晚睡眠八小时，get enough sleep得到充足的睡眠50.take medicine吃药服药I have to take medicine three times a day for my cold.因为感冒,我不得不一天吃三次药二．固定结构I t’s+形容词+ for sb. + to do sth. 做某事对某人来说是…的。
I t’s important for me to eat a balanced diet. 平衡饮食对我来说是很重要的.I t’s easy for us to find out the answer. 找出答案对我们来说是容易的I t’s important/easy to do sth.做某事很重要/容易。
三．重点句子1.W hat’s the matter? W hat’s the matter with you? 你怎么啦？=W hat’s the trouble with you?=W hat’s wrong with you?I have a cold/ have a sore back/ have a stomachache2.T hat’s too bad. Y ou should/ shouldn’t…那太糟糕了. 你应该/不该…Y ou should lie down and rest/ drink hot tea with honey/ see adentist/ see a doctor.H e shouldn’t eat anything= H e should eat nothing. 他不应当吃任何东西.3. I’m not feeling well. 这里well表示身体状况，不能用good代替I don’t feel well= I’m not feeling well我感觉不舒服.4.W hen did it start? A bout two days ago. 什么时候开始的？大约两天前5.I hope you feel better soon.我希望你很快好起来。
(这里better是well的比较级)10.I t’s easy to have a healthy lifestyle,and it’s important to eat a balanced diet.有一个健康的生活方式很容易，饮食平衡是很重要的。
四．语法要点：反身代词以及提建议的情态动词的用法1.情态动词should的用法should是情态动词，它的基本用法是必须和其他动词一起构成谓语。
情态动词没有人称和数的变化，意为"应该......"。
should（应当，应该）用于所有人称，表示劝告或建议。
eg. Y ou should wait a little more.你应该再多等一会儿。
Y ou shouldn`t eat so much next time.你下次不应该吃这么多。
2．反身代词: myself, yourself, himself, herself, itself, ourselves,yourselves, themselves,1). H e hurt himself in PE class. （作宾语）2). J ust be yourself.（作表语）3).T he headmaster himself met me.（作主语同位语）4).Y ou should ask the doctor himself. （作宾语同位语）3.maybe与may be1). maybe是副词，译为“也许、可能”，相当于“perhaps”。
如：M aybe he can answer the question.也许他能回答那个问题。
H e maybe is from the USA, too. 他可能也来自美国。
2). may be中的may为情态动词，译为“可能是......”。
如：H e may be from the USA, too.他可能也来自美国。
S he may be our E nglish teacher. 她可能是我们的英语老师4. few、a few、little、a little的区别和联系：1). few/ a few用来修饰可数名词，few表示否定意义，没有，几乎没有；a few表示有肯定意思，有几个。
例如：H e has few friends here, he feels lonely. 他这里没朋友，他感觉寂寞。
There are a few eggs in the basket.篮子里有几个鸡蛋。
2). little/ a little用来修饰不可数名词，little表示否定意思，没有，几乎没有。
a little 表示肯定意思，有一点儿。
例如：T here is little ink in my bottle, can you give me a little ink?我的瓶子里没有墨水了，你能给我点儿墨水吗？5. not…until直到…(否定句) 才，动词为短暂性或瞬间性动词S he didn’t leave until we came.H e went shopping after he got up. = H e didn’t go shopping until/before he got up . 6.……until/till直到···（肯定句）动词为延续性动词W e stayed here till/ until12 o’clock.U nit 2 I'll help clean the city parks.一．重点短语:1.cheer (sb.) up使(某人)高兴、振作如：cheer me up使我高兴2.clean up打扫clean-up n. 打扫3. volunteer to do v. 自愿做某事4. come up with提出想出== think up想出5. catch up with赶上追上6. put off doing推迟做某事7. put on穿上(指过程)8. put up张贴9. call up打电话make a telephone call打电话10. write down写下记下11. set up成立建立12. put…to use把… 投入使用，利用13. help sb. (to) do帮助某人做某事help sb. with sth. 帮助某人做某事14. plan to do计划做某事plan + 从句I plan to go to B eijing. == I plan (that) I will go to B eijing. 我计划去北京。