八年級上冊U2知識點

1、Unit2 How often do you exercise?一·重點單詞用法1. housework 家務(wù) Udo housework 做家務(wù)做家庭作業(yè)：do homework2. hardly 幾乎不 adv. 表頻率 hard adv. 努力地 study hard 努力學習 adj. 困難的，堅硬的 It's hard to do sth.做某事很困難3. once/ twice/ three times 一次/兩次/三次對頻率提問用“ how often”4. Internet 互聯(lián)網(wǎng)on the Internet 在網(wǎng)上 surf the Internet 網(wǎng)上

2、沖浪5. full n. 忙的，滿的，飽的eg. Next week is full for me. 下周我很忙。 I'm full now. 我現(xiàn)在飽了。 The cup if full of water. 瓶子里裝滿了水。 be full of 充滿.6. maybe adv. 大概，或許，可能 Maybe you are right. may be 情態(tài)動詞+be結(jié)構(gòu) 可能是 You may be right.7. least adv. 最少，最?。ㄗ罡呒墸?比較級：less 原級：little at least 至少，不少于8. health n. 健康 healthy adj

3、. 健康的 healthily adv. 健康地keep/stay/be healthy= keep in good healtheg. We eat healthy food. 我們吃健康的食物。 We eat healthily.我們吃地健康。 It's good for our health. 它對我們的健康有好處。10. percent 百分之. 90%： ninety percent11. online 在線的 go online 上網(wǎng) buy sth. online 網(wǎng)上買某物12. although 雖然，盡管=though(引導讓步狀語從句），不能與but連用eg. A

4、lthough my grandpa is old, he looks healthy. 盡管我的爺爺老了，但是他看起來很健康。13. through 以，穿過，憑借through 從空間內(nèi)部穿過across 從某物表面穿過over 從某物上方越過eg. walk though the forest 穿過森林 across the road 穿過馬路 fly over the house 飛過房子14. mind n. 頭腦，心智 v. 介意，反對+doingDo you mind opening the window? 你介意打開窗子嗎？15. such as. 例如，像.一樣，一般用于舉例

5、子16. die v. 消失，死亡 過去式：died 現(xiàn)在分詞：dying n. death 死亡 adj. dead 沒有生命的17. writer n. 作者，作家 V. write 寫18. however 然而，不過，但是 however 不能連接兩個句子，另起新句，永逗號隔開 but 前后連接兩個分句，表示轉(zhuǎn)折19. point 得分，點 get 100 points 得100分 one point five 1.5 v. 指向 point at/ to 指向.二課文重點：1.on weekends 在周末 on the weekend 在周末，特指某個周末2. help with

6、housework 幫助做家務(wù) help with sth. 幫助做某事 help sb. with sth.=help sb. to do sth. 幫助某人做某事 help oneself 隨便吃，款待3. sometimes 有時候（how often提問） some times 幾次，幾倍(how many times提問) sometime 某個時候 （when提問） some time 一段時間 （how long提問）4. how often 多久一次 how long 多長時間/距離 how far 多遠 how soon 多久以后 how many 多少 how much 多

7、少、多少錢5. use 使用use sth. to do sth. 用某物做某事6. What's your favorite.? =What.do you like best?7. free 空閑的，自由的，免費的 freedom n. 自由 be free 有空，閑著=have time be free to do sth. 自由地做某事8. have lessons 上課 have a/an.lesson 上.課 do one's lesson 做功課 give/teach sb. a lesson 給某人一個教訓9. want 想要 want to do sth. 想要

8、做某事 want sth. 想要某物 want to be 想要成為 want sb. to do sth. 想要某人做某事10. be good for 對.有益、好處 be good at 擅長 be good with 善于應付 be good to 對.友好11. ask 詢問，問ask sb. about sth. 問某人關(guān)于某事的情況ask sb. to do sth. 讓/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 .問題的答案 the way to . 去

9、.的路 The key to . .的鑰匙13. 花費spend .on sth. /in doing sth. 花費.在某物上/做某事It takes sb some time to do sth. 花費某人.做某事pay.for sth. 支付.買某物Sth. cost. 某物花費.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 擔心，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 I'm afraid

10、 that+句子 eg. afraid of the dark 怕黑 afraid of asking questions 怕問問題I'm afraid that I have to go now.恐怕我現(xiàn)在得走了。三.重點短語1.help with housework 幫助做家務(wù) 2.go shopping 去買東西3.on weekends 在周末 4.how often 多久一次5.hardly ever 幾乎從不 6.once a week 每周一次7.a month 每月兩次 8.go to the movies 去看電影9.every day 每天 10.use the I

11、nternet 使用因特網(wǎng)11.be free 有空 12.have dance and piano lessons 上舞蹈課和鋼琴課13.swing dance 搖擺舞 14.play tennis 打網(wǎng)球15.stay up late 熬夜 16.at least 至少17.go to bed early 早點睡覺 18.play sports 進行體育運動19.be good for 對.有好處 20.go camping 去野營21.in ones free time 在某人的業(yè)余時間22.not. At all 一點也不 23.the most popular 最受歡迎的24.suc

12、h as 例如，好像 25.go to the dentist 去看牙醫(yī)26.more than 多于 27less than 少于28.how about.?=what about.? .怎么樣？29.spend time with sb. 和某人一起度過時光30.ask sb about sth 向某人詢問某事31.by doing sth. 通過做某事32.the best way to do sth. 做某事的最好方式四重點句型1. What do you usually do on weekends? I always exercise.2. What do they do on w

13、eekends? They often help with housework.3. What does she do on weekends? She sometimes goes shopping.4. How often do you go to the movies? I go to the movies maybe once a month.5. How often does he watch TV? He hardly ever watches TV.6. Do you go shopping? No, I never go shopping.7. How many hours d

14、o you usually sleep at night? Eight or more.五單元語法：頻度副詞1. 頻度副詞含義：(1)表示次數(shù)，頻率的副詞成為頻度副詞。Always(總是)>usually(通常)>often(經(jīng)常)>sometimes(有時)>seldom(很少)>hardly ever(幾乎不)>never(從不)(2) 表示具體的頻率，次數(shù)時，一次用once, 兩次用twice,三次以上用“基數(shù)詞+times”.Eg. He always comes late. 他總是遲到。I play soccer twice a week. 我一周踢兩次足球。2. 頻度副詞在句中的位置：一般用在實義動詞之前，be動詞，助動詞或情態(tài)動詞之后，有時為了強調(diào)，也可置于句首。Eg. We never eat jun