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1、人教新目标八年级英语上册重点知识归纳汇总Unit2 How often do you exercise?一重点单词用法1.housework 家务 Udo housework 做家务做家庭作业：do homework2.hardly 几乎不 adv.表频率 hard adv.努力地 study hard 努力学习 adj.困难的，坚硬的 Its hard to do sth.做某事很困难3.once/twice/three times 一次/两次/三次对频率提问用“how often”4.Internet 互联网on the Internet 在网上 surf the Internet 网上冲
2、浪5.full n.忙的，满的，饱的eg.Next week is full for me.下周我很忙。Im full now.我现在饱了。The cup if full of water.瓶子里装满了水。be full of 充满.6.maybe adv.大概，或许，可能 Maybe you are right.may be 情态动词+be 结构 可能是 You may be right.7.least adv.最少，最小（最高级）比较级：less 原级：little at least 至少，不少于8.health n.健康 healthy adj.健康的 healthily adv.健康地
3、keep/stay/be healthy=keep in good healtheg.We eat healthy food.我们吃健康的食物。We eat healthily.我们吃地健康。Its good for our health.它对我们的健康有好处。10.percent 百分之.90%：ninety percent11.online 在线的 go online 上网 buy sth.online 网上买某物although 虽然，尽管=though(引导让步状语从句），不能与 but 连用eg.Although my grandpa is old,he looks healthy.
4、尽管我的爷爷老了，但是他看起来很健康。13.through 以，穿过，凭借through 从空间内部穿过across 从某物表面穿过over 从某物上方越过eg.walk though the forest 穿过森林 across the road 穿过马路 fly over the house 飞过房子14.mind n.头脑，心智 v.介意，反对+doingDo you mind opening the window?你介意打开窗子吗？15.such as.例如，像.一样，一般用于举例子16.die v.消失，死亡 过去式：died 现在分词：dying n.death 死亡 adj.de
5、ad 没有生命的17.writer n.作者，作家 V.write 写18.however 然而，不过，但是 however 不能连接两个句子，另起新句，永逗号隔开 but 前后连接两个分句，表示转折19.point 得分，点 get 100 points 得 100 分 one point five 1.5 v.指向 point at/to 指向.二课文重点：1.on weekends 在周末 on the weekend 在周末，特指某个周末2.help with housework 帮助做家务 help with sth.帮助做某事 help sb.with sth.=help sb.t
6、o do sth.帮助某人做某事 help oneself 随便吃，款待3.sometimes 有时候（how often 提问）some times 几次，几倍(how many times 提问)sometime 某个时候 （when 提问）some time 一段时间 （how long 提问）4.how often 多久一次 how long 多长时间/距离 how far 多远 how soon 多久以后 how many 多少 how much 多少、多少钱5.use 使用use sth.to do sth.用某物做某事6.Whats your favorite.?=What.do
7、 you like best?7.free 空闲的，自由的，免费的 freedom n.自由 be free 有空，闲着=have time be free to do sth.自由地做某事8.have lessons 上课 have a/an.lesson 上.课 do ones lesson 做功课 give/teach sb.a lesson 给某人一个教训9.want 想要 want to do sth.想要做某事 want sth.想要某物 want to be 想要成为 want sb.to do sth.想要某人做某事10.be good for 对.有益、好处 be good
8、at 擅长 be good with 善于应付 be good to 对.友好11.ask 询问，问ask sb.about sth.问某人关于某事的情况ask sb.to do sth.让/要求某人做某事ask sb.for sth.=ask for sth.from sb.向某人要某物12.the answer to the question .问题的答案 the way to.去.的路 The key to.的钥匙13.花费spend.on sth./in doing sth.花费.在某物上/做某事It takes sb some time to do sth.花费某人.做某事pay.f
9、or sth.支付.买某物Sth.cost.某物花费.14.也too 用于肯定句句末also 用于肯定句句中either 用于否定句句末15.afraid 担心，害怕 be afraid to do sth.害怕去做某事 be afraid of sb./sth.害怕 be afraid of doing sth.害怕做某事 Im afraid that+句子 eg.afraid of the dark 怕黑 afraid of asking questions 怕问问题Im afraid that I have to go now.恐怕我现在得走了。三.重点短语1.help with hou
10、sework 帮助做家务 2.go shopping 去买东西3.on weekends 在周末 4.how often 多久一次5.hardly ever 几乎从不 6.once a week 每周一次7.a month 每月两次 8.go to the movies 去看电影9.every day 每天 10.use the Internet 使用因特网11.be free 有空 12.have dance and piano lessons 上舞蹈课和钢琴课13.swing dance 摇摆舞 14.play tennis 打网球15.stay up late 熬夜 16.at leas
11、t 至少17.go to bed early 早点睡觉 18.play sports 进行体育运动19.be good for 对.有好处 20.go camping 去野营21.in ones free time 在某人的业余时间22.not.At all 一点也不 23.the most popular 最受欢迎的24.such as 例如，好像 25.go to the dentist 去看牙医26.more than 多于 27less than 少于28.how about.?=what about.?.怎么样？29.spend time with sb.和某人一起度过时光30.as
12、k sb about sth 向某人询问某事31.by doing sth.通过做某事32.the best way to do sth.做某事的最好方式四重点句型What do you usually do on weekends?I always exercise.What do they do on weekends?They often help with housework.What does she do on weekends?She sometimes goes shopping.How often do you go to the movies?I go to the mov
13、ies maybe once a month.How often does he watch TV?He hardly ever watches TV.Do you go shopping?No,I never go shopping.How many hours do you usually sleep at night?Eight or more.五单元语法：频度副词频度副词含义：(1)表示次数，频率的副词成为频度副词。Always(总是)usually(通常)often(经常)sometimes(有时)seldom(很少)hardly ever(几乎不)never(从不)表示具体的频率，
14、次数时，一次用 once,两次用 twice,三次以上用“基数词+times”.Eg.He always comes late.他总是迟到。I play soccer twice a week.我一周踢两次足球。频度副词在句中的位置：一般用在实义动词之前，be 动词，助动词或情态动词之后，有时为了强调，也可置于句首。Eg.We never eat junk food.我们从不吃垃圾食品。Lucy is sometimes very busy.露西有时很忙。Sometimes Jack plays computer games.有时杰克玩电脑游戏。*always 一般不用于句首，但可用于祈使句中。Always remember this.请时刻记住这一点。对频度副词提问时，用 how often.-How often do you exercise?-Hardly ever.