人教版英語(yǔ)八年級(jí)上冊(cè)u(píng)nit2知識(shí)點(diǎn)講練

1、八年級(jí)上冊(cè)u(píng)nit 2Section A Page 91. 1. help sb. with sth. 表“在某方面幫助某人”，相當(dāng)于 help sb. (to) do sth. 如： I often help my mother with housework. = I often help my mother _ _ some housework.2. on weekends = on the weekend在周末， go to the movies = go to the cinema去看電影 I often go to the movies on weekends. 3. hardly

2、與hard 的區(qū)別hardly表“幾乎不”，用于否定句中。而hard有以下幾種意思： 困難的 努力地 用來(lái)修飾雨或雪下得大Its raining _. I can _ see the way. Its very _ to get to school. I must study _. 4. exercise 的用法：當(dāng)exercise指“操、練習(xí)”時(shí)，是可數(shù)名詞，如：do morning exercises 做早操；do eye exercises; 做眼保健操；do English exercises 做英語(yǔ)練習(xí)題；但exercise指“鍛煉，運(yùn)動(dòng)”時(shí)，是不可數(shù)名詞。如：do some exe

3、rcise 做運(yùn)動(dòng)。exercise 還可作動(dòng)詞，指“鍛煉，運(yùn)動(dòng)” 如：She exercises every morning. 5. sometimes = at times有時(shí)，some times 幾次；sometime（將來(lái)的）某個(gè)時(shí)候； some time 一些時(shí)間 I have visited Beijing _. _ I walk to school. I will visit you _. The work is difficult, so I need _.Section A Page 101. 本單元圍繞“某人多久做一次某事”。談?wù)摰氖且粋€(gè)人現(xiàn)在的行為習(xí)慣，所以本單元談?wù)摰?/p>

4、話(huà)題主要用_ 時(shí)態(tài)。2. How often 用來(lái)問(wèn)“多久一次”，回答How often問(wèn)句常用下列一些頻率副詞： Twice a week(一周兩次)； always（總是）； usually（常常）； often（經(jīng)常）； sometimes（有時(shí)）； hardly ever（幾乎不）； never（從不） 題：She goes to movies once a week. (對(duì)劃線(xiàn)部分提問(wèn))_ _ _ she go to movies？【拓展】How long 問(wèn)“（時(shí)間）多久”。 常用“（For）+ 一段時(shí)間”來(lái)回答 問(wèn)“（長(zhǎng)度）多長(zhǎng)”。How much 多少（接不可數(shù)名詞） 多少錢(qián)H

5、ow soon 問(wèn)多快（時(shí)間），用于將來(lái)時(shí)態(tài)。常用“In +時(shí)間段”來(lái)回答。如：How soon will you come back?你將多快回來(lái)？ -In a week.一周后 與how構(gòu)成的疑問(wèn)詞還有有：How many 多少（接可數(shù)名詞復(fù)數(shù)形式）How much 多少（接不可數(shù)名詞）How old 問(wèn)年齡How tall 多高（人、樹(shù)）How high 多高（山、樓）How far 問(wèn)距離 (1) is it from your home to your school？-Its two kilometers away. (2) is the room？- Its two meters

6、wide. (3) will you stay in Beijing ? - For a month. (4) will you finish the work?-In a month. (5) do you watch TV ? - Four times a week. (6) How long do you sleep every night? = hours do you sleep every night ?4. once a week 一周一次， twice a week 一周兩次，three/ four times a week 一周3/4次 一次，兩次特殊記，三次以后有規(guī)律：基數(shù)

7、詞+times 就可以5. be free = have time 有空，有時(shí)間 Are you free next week ? = _ you _ _ next week ?6. full 表“滿(mǎn)的，忙的”，常見(jiàn)短語(yǔ)有：be full of 裝滿(mǎn)，充滿(mǎn) My schoolbag is full of books. 7. have / take a dance lesson 上一節(jié)舞蹈課 （lesson = class課） I have dance and piano lessons. 8. What kind of 用來(lái)問(wèn)種類(lèi) _ dance are you learning? -Oh,

8、swing dance. 9. How about = What about 表“怎么樣，好不好”，可以用來(lái)提建議。about是介詞，后接動(dòng)詞ing. How about _ the movies next week ? ( go )10. have to 和must have to強(qiáng)調(diào)客觀上“不得不”做某事；must指主觀上“必須”做某事。have to有人稱(chēng)和數(shù)、時(shí)態(tài)的變化，而must沒(méi)有人稱(chēng)或數(shù)的變化。對(duì)have to提問(wèn)和否定用助動(dòng)詞, 而must不需要。例如：（1）He has to go there（人稱(chēng)數(shù)的變化） （2）He had to pay for it. (時(shí)態(tài)的變化)（

9、3）Must I finish my homework after school ? - No, you _ have to. 11.play tennis 打網(wǎng)球。 play 與樂(lè)器連用時(shí)，樂(lè)器前要加the。球類(lèi)、棋類(lèi)前不加the。 題： Play _ violin. play _ football. play chess 12. want to do sth. 想去做某事，意思相近的短語(yǔ)有：would like to do sth 和feel like doing sth. Section A Page 111.（1）maybe意思是“也許、可能”，相當(dāng)于常位于句首, 后接句子。 （2）m

10、ay be中，意為“也許是、可能是”, 放句中，后接表語(yǔ)（形容詞，名詞等） 可轉(zhuǎn)換：Maybe you are right. = You may be right.2. stay up late 熬夜 stay up late to do sth . 熬夜為了做某事 I stayed up late to watch the soccer game. 3. at least 至少 at most 最多 He plays at least twice a week.4. busy 表忙的，短語(yǔ)有：be busy doing sth.（正忙于做某事） Look ! He is busy _ his

11、 mother with housework. ( help )5. after school 放學(xué)后， after class 下課后， in class 在課堂上Section B page 121. want sb. to do sth 想要某人去做某事，類(lèi)似的短語(yǔ)有：tell/ ask sb. to do sth. 要求某人去做 某事 My mother wants me _ it. ( drink )2. be good for 對(duì)有好處；be good at 擅長(zhǎng).，be good with 善于和某人相處，善于處理3. health 名詞，健康。healthy 形容詞，健康的。k

12、eep healthy保持健康 Smoking is bad for your_, you must keep _. You can eat _ food.4. have a good living habit 有好的生活習(xí)慣Section B page 131. in ones free time 在某人空余時(shí)間里 I usually watch TV in my free time. 2. ask sb. about sth. 向某人詢(xún)問(wèn)有關(guān)某事物 We ask the students about their free time activities. 與ask 有關(guān)的短語(yǔ)還有：ask

13、sb. for sth. 向某人要某物； ask sb.(not) to do sth. 要求某人（不）去做3. (the) use of 表“的使用”，如：Its about the use of the Internet. use還可以作動(dòng)詞，短語(yǔ)有：use sth. to do sth. 用某物去做某事4. fifteen percent of the students （15%的學(xué)生），百分?jǐn)?shù)不用復(fù)數(shù)，后用of連接要修飾的名詞。作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要與of后的名詞單復(fù)數(shù)一致。 Twenty percent of milk _ ( be ) bad.5. four to six times

14、 a week 每周4至6次6. 否定句+at all，表“根本不，一點(diǎn)也不”。如：Some students dont exercise at all. 7. go online 上網(wǎng)8. surprise 動(dòng)詞和名詞，吃驚；surprised 形容詞，感到吃驚的（修飾人）；用法有：(1) be surprised + that從句： Im surprised that he got an A. (2) be surprised at sth. 對(duì)感到吃驚 I was surprised at the news. (3) be surprised to do sth. 做某事很吃驚 I wa

15、s surprised to meet him. 9. the answer to the question 問(wèn)題的答案； to 表“針對(duì)”如：the key to the lock 鎖的鑰匙； the ticket to a concert 演唱會(huì)的票； the solution to the problem 問(wèn)題的解決方法 題：You should give him a ticket a ball game. (A. at C. on D. to )10. although = though 表“雖然” 不與but連用. （關(guān)聯(lián)詞在英語(yǔ)中只要一邊） 例 _ it is raining ha

16、rd, _ nobody is late for school. A. because, so B. So, that C. although, but D. although, 不填11.by = through表“通過(guò)做某事”，它們是介詞，后可接動(dòng)名詞（動(dòng)詞ing） Its good to relax by using the Internet.12. the best way to do sth. 去做某事的最好方法 （不定式作后置定語(yǔ)） I think the best way to relax is through exercise. 13. such as 和 for exampl

17、e 都可以表“例如”，它們的區(qū)別有： such as 通常放句中，后接幾個(gè)并列名詞。例：I can speak many languages, English, French and Japanese. for example 可放句中，句首或句尾，后常接一個(gè)句子并與它用逗號(hào)隔開(kāi)。例： , Australia was unknown14. spend time with sb. 和某人共度時(shí)光 You can spend time with your friends. Section B page 151. a 16-year-old student 用連字符構(gòu)成了形容詞，所以沒(méi)有復(fù)數(shù)形式（y

18、ear不加s）2. more than 多于 less than 少于3. do sth. for some time 做某事持續(xù)多久 She always watches TV for more than two hours a day. 4. be afraid to do sth. = be afraid of doing sth. 害怕做某事 I am afraid to speak English in class.= Im afraid of _ English in class. 5. go to the dentist 去看牙醫(yī)Section B page 161. none 和no one 的區(qū)別： none與數(shù)量有關(guān)，可回答how many