【正文】 為動(dòng)詞。它一般用于否定句和疑問句中，例如：　?、資ou need not meet him.　?、贜eed I repeat it?　?。?）（sb.）pay（money）for ……而付款　　 （sb.）spend（money）on sth在……上花多少錢　　 （sth.）cost sb.（money）什么東西值多少錢　　pay, spend指的是“人”,主語為人，而cost指的是“物”,主語為“物”.　　他昨天花10元買了一本書。t get home until 7 .　　 until 直到…為止，如：　　 I will wait for him until he es back.　　 not…until, 直到……才。t go to bed until his father came back.　　I don39。如：　　 I forgot what to do next.　　 I don39。t ask for food every day.　　If you have any problems, you can ask the policeman for help.　　1the same as… 與……相同　　 My cousin is the same age as me　　 除……以外；（不包括……在內(nèi)）　　 My class has been invited except me.= Only I haven39?！　?All the students went to the park except him　　 besides 除……以外（包括在內(nèi)）　　 We all went there besides him.= He went went there, too.　　 除他去以外，我們也都去了。s wrong with you? 你怎么了？（你哪里不舒服？）　　 on/along well with ，發(fā)展。如：　　 We can39。如：　　 I left my keys in the car.　　 leave 指將某物遺忘在某地，常用的結(jié)構(gòu)為：leave + sth. + place. 如：　　 he left his umbrella in the bus yesterday.　　 forget 指忘了某人或某事，后面不能跟具體的地點(diǎn)。如：　　 the key to the door,　　 the answer to the question　　20. on the one hand, on the other …另一方面　　二、單元語法　　學(xué)會(huì)should , could在英語中的習(xí)慣用法。should（應(yīng)當(dāng)，應(yīng)該）用于所有人稱，表示勸告或建議。八年級(jí)下冊(cè)英語第三單元《What were you doing..》知識(shí)點(diǎn)整理　　一、課文重點(diǎn)、難點(diǎn)、考點(diǎn)詳解　　what were you doing when the UFO arrived?　　 arrive 到達(dá)，后面接地點(diǎn)名詞或是代詞時(shí)，需要加上介詞in 或at ,in 用于比較大的地方，at用于比較小的地方；　　 如果后面接here, there, home 等副詞時(shí)，不加介詞。　　 It39。如：　　 He had many interesting experiences while traveling in North America.　　 experience n. 經(jīng)驗(yàn)、體驗(yàn)，不可數(shù)名詞，對(duì)應(yīng)的形容詞為experienced 有經(jīng)驗(yàn)的。如：　　 My father experienced great difficulty in giving up smoking.　　I was walking down the street when a UFO landed right in front of me.　　 in front of 在……前面。如：　　 There is a tall tree in front of the classroom　　 in the front of 表示某范圍內(nèi)部的前面。如：　　 She shouted to me to e over.　　 shout at. 表示生氣時(shí)對(duì)某人大喊大叫，含責(zé)備、警告之意。如：　　 A boy is standing in the tree.　　 on the tree. 指樹上本身長的東西，如花、果實(shí)等。another + 數(shù)詞+n. =數(shù)詞+more +：　　 I don39。　　 He was badly ill, he must be in hospital.　　 She is a nurse. She works in the hospital.　　While He Yan was at the doctor39。s 在診所。如：　　 I am going to the barber39。　　 one of + 做主語的時(shí)候，謂語用單數(shù)。s + adj. for sb to do sth. 其中的形容詞常為說明事物事情性質(zhì)的詞，像 difficult, easy, important, useful, . 如：　　 it39。s + adj. of sb. to do sth 其中的形容詞常為說明人的性格特征或品質(zhì)的詞，像 nice, good, kind, foolish, polite, careless, ：　　 it is very kind of you to say so.　　1 The boy was walking down the street when a UFO landed.　　 While the alien was buying a souvenir, the girl called the police.　　 when, while辨析：“當(dāng)……時(shí)候”　?。?） when當(dāng)……時(shí)候，既可表示某一點(diǎn)時(shí)間，也可以表示某一段時(shí)間，引導(dǎo)的從句謂語多用終止性（瞬間）動(dòng)詞，主從句的動(dòng)作可同時(shí)也可以有先后順序發(fā)生。　?。?） while正當(dāng)……時(shí)，只能表示某一段時(shí)間，不能表示某一點(diǎn)時(shí)間?！　? While Jim was mending his bike, Lin Tao came to see him. 正當(dāng)吉姆修自行車時(shí)，林濤來看他。　 　While they were talking , the bell rang. 正在他們談話的時(shí)候，上課鈴響了?！　《?、語法詳解　　過去進(jìn)行時(shí)：過去進(jìn)行時(shí)表示過去某一時(shí)刻或者某段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，常和表過去的時(shí)間狀語連用，如：　　I was doing my homework at this time yesterday.　　過去進(jìn)行時(shí)的構(gòu)成：　　肯定形式：主語+was/were+Ving　　否定形式：主語+was not （wasn39。t）+Ving　　疑問形式：Was/Were+主語+Ving.　　基本用法：　　。t mad at Marcia anymore. 拉娜說她不再生瑪西婭的氣了。t cry anymore. 她不再哭了。s room.　　 this message to 　　 pass sth. to sb 把某物傳遞給某人　　 She said she would pass the dictionary to Tom.　　 want to know why C didn39?！　? 句中why C didn39。　　 were supposed to meet at the bus stop this morning to return it.　　 你應(yīng)該今早上在車站去見面并把它還給人家?！　《n文解析和語法　　1. In English, I39。　　 be better at doing 是be good at ……的比較級(jí)，意思為”更擅長……“　　2. I can do better in ?！　? finish sth. （doing sth.）　　 Did he finish doing his homework before he went to bed?　　4. I had a really hard time with science this semester. 這學(xué)期我的科學(xué)學(xué)科學(xué)得的確不好。s not right to copy other39?！　? 請(qǐng)記住這一句型：It39。s right for sb to do…　　6. I said I didn39。　　7. She said it was much better if she din her own work.　　 她說如果她自己做作業(yè)就會(huì)好多了。　　 此句中may+ 動(dòng)詞原形，表示”可能……“　　 sound like +名詞，意思為”聽起來像……“　　9. Every year they send 100 volunteers to teach in China39。　　 send …to …派，送…到…　　10. Her village was 2000 meters above sea level. 她的村莊位于海拔2千米?！　? love doing （to do）　　 often isn39?！　?4. I can open up my students39?！　?5. give them a good start in life 給他們一個(gè)生活的新起點(diǎn)　　 give sb. 　　16. She said she lik