一年級(jí)起點(diǎn)四年級(jí)下知識(shí)點(diǎn)總結(jié)

四年級(jí)下知識(shí)點(diǎn)總結(jié)M1 Unit 1Crisps 薯?xiàng)l（復(fù)數(shù)）Potatoes 土豆（復(fù)數(shù)）名詞變復(fù)數(shù)有7條規(guī)則1. 一般直接加s2. 以s, sh, ch, x, 結(jié)尾的要加es.3. 以o結(jié)尾的直接加s, 除了negro, hero, potato,tomato 有es.4. 以輔音加y結(jié)尾的，把y變i加es以元音加y結(jié)尾的，直接加s.5. 以f, fe 結(jié)尾的去掉f, fe變ves. Wolf-wolves6. 不變的，中國(guó)人愛(ài)吃魚(yú)fish羊sheep鹿deer. 中日不變，英法變，其他s加后面。7. 特殊情況特殊記。Foot-feet tooth-teeth Mousemice childchildren Unit2重點(diǎn)短語(yǔ)：Wait for sb/sth. 等待Wear the hat! 戴上帽子Wear the glasses！戴上眼鏡！Touch the Machines. 觸摸機(jī)器。Dont touch anything. 不要碰任何東西。Walk on the grass.Play ball games.Write in the books!口訣巧計(jì)祈使句祈使句，祈使句，請(qǐng)求、命令或建議。主語(yǔ)是you常省去，動(dòng)詞原形開(kāi)頭記。否定形式要注意，句首要把Dont加。要講客氣用please，句首句末沒(méi)關(guān)系。單數(shù)第三人稱(chēng)當(dāng)主語(yǔ)是he,she,it 單個(gè)人，單個(gè)物時(shí)，后面的動(dòng)詞要變?nèi)问?。?dòng)詞的單三形式變化1.直接加s cut-cuts put-puts2.以s.sh,ch,x,o結(jié)尾的要加es. Wash-washes touch-touches3.以輔音加y結(jié)尾的,把y變i加es, 以元音加y結(jié)尾的，直接加s. play-plays.M2 Unit 1be good for 對(duì)有益be good at 擅長(zhǎng)于powerful強(qiáng)大的 perfect完美的cheap 便宜的 expensive 昂貴的screen 屏幕 take it to school 帶到學(xué)校Unit 2It costs one thousand eight hundred yuan. 它價(jià)值1800元。Costs （cost 的單三形式）價(jià)值數(shù)字的表述表示數(shù)字時(shí)，thousand, hundred不可變?yōu)閺?fù)數(shù)Yuan 人民幣，不可變?yōu)閺?fù)數(shù)Dollardollars 美元M3Unit 1一般過(guò)去時(shí)的用法：一般過(guò)去時(shí)表示過(guò)去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過(guò)去習(xí)慣性、經(jīng)常性的動(dòng)作、行為；過(guò)去主語(yǔ)所具備的能力和性格。常見(jiàn)的時(shí)間狀語(yǔ)有：once upon a time, yesterday, just now, last year/ last day/ in the old days基本結(jié)構(gòu)：主語(yǔ)+動(dòng)詞過(guò)去式+其他；否定形式was/were+not;在行為動(dòng)詞前加didnt，同時(shí)還原行為動(dòng)詞；一般疑問(wèn)句Did+主語(yǔ)+do+其他。一般過(guò)去時(shí)肯定句的過(guò)去式。規(guī)則動(dòng)詞加ed，不規(guī)則的必須記。否定形式疑問(wèn)句，沒(méi)有be加did。如把did加在前，動(dòng)詞也要還原形。動(dòng)詞變過(guò)去式1. 一般情況直接加ed wash-washed2. 重讀閉音節(jié)（輔元輔結(jié)構(gòu)）雙寫(xiě)尾字母再加ed 3. 以輔音加y結(jié)尾，把y變i加ed.以元音加y結(jié)尾，直接加ed4. 特殊情況特殊記。重點(diǎn)短語(yǔ)：look after 照看=take care ofrun to 跑到the next day 第二天Dont tell lies! 不要說(shuō)謊！Broke the door and ran away. 奪門(mén)而逃Went into a shop 走進(jìn)一個(gè)商店本課出現(xiàn)的動(dòng)詞過(guò)去式looklooked 看 is/ amwas是runran 跑 shoutshouted喊l(fā)aughlaughed 大笑 are-were是come-came 來(lái) dodid 做say-said 說(shuō) eat-ate 吃buybought 買(mǎi) seesaw看見(jiàn)scare-scared 害怕 break-broke打破playplayed 玩M4Unit 1一般過(guò)去時(shí)動(dòng)詞變化及句型轉(zhuǎn)換It was Chinese music.It wasnt Chinese music.Was it Chinese music?(變否定很容易，be 后not 加進(jìn)去，變疑問(wèn)Be 提前，any 要把some 替。）此口訣只用于有be動(dòng)詞的句型，那沒(méi)有be動(dòng)詞的怎么辦呢？Dad played the erhu.Did Dad play the erhu?Dad didnt play the erhu. （樂(lè)器前面要加the）What did Dad play?（沒(méi)有be 要把did 加，如把did加在前，動(dòng)詞也要還原形。）Unit 2Look like 看起來(lái)像 (looks like 單三形式)Listen to 聽(tīng).Go to 去.Play in the concert 在音樂(lè)會(huì)上演奏Chinese instrument 中國(guó)樂(lè)器Violin 小提琴Guitar 吉他At the end 最后What did he play?He playedI was very nervous before the concert. 我在演奏前非常緊張。Where did Daming go? 大明去了哪?When did he go? 他什么時(shí)候去的？How did he go there? 他怎么去的那里？What did he do there? 他在那里做了什么？M5現(xiàn)在進(jìn)行時(shí)What are you doing? 你正在做什么呢？Whats happening now?現(xiàn)在正發(fā)生什么事情？Its a surprise party for Ms Smart and my mother. 對(duì)于斯瑪特夫人和我媽媽來(lái)說(shuō)，這是一個(gè)出人意料的聚會(huì)。Mothers Day 母親節(jié)現(xiàn)在進(jìn)行時(shí)口訣現(xiàn)在進(jìn)行時(shí)，動(dòng)作正發(fā)生，重點(diǎn)抓動(dòng)詞,動(dòng)詞前面遙控器be, 動(dòng)詞后面ing. Now, look! Listen! 是標(biāo)記，三位一體別忘記?，F(xiàn)在進(jìn)行時(shí)結(jié)構(gòu)主語(yǔ)+be+動(dòng)詞ing.I am+動(dòng)詞ing.We are+動(dòng)詞ing.You are+動(dòng)詞ingHe/ She/ It is+動(dòng)詞ingThey are+動(dòng)詞ingIts Mothers Day today.I amfor my mother. 此句中for是介詞，意思是“給，為”What are you doing on Mothers Day?母親節(jié)那天你正在做什么？Teachers DayFathers Day動(dòng)詞變現(xiàn)在分詞：1. 一般情況直接加ing2. 重讀輔元輔結(jié)構(gòu)，雙寫(xiě)尾字母加ing3. 以啞e結(jié)尾的，去e加ing.M6一般將來(lái)時(shí)Will 表示將來(lái)，后接動(dòng)詞原形。主語(yǔ)+will+動(dòng)詞原形+其他/ 計(jì)劃，打算Ill draw the pictures. 我會(huì)畫(huà)畫(huà)。What will you do? 你將會(huì)做什么？Lets make an English newspaper! 讓我們來(lái)制作一張英文報(bào)紙Ill write the reports. 我會(huì)寫(xiě)報(bào)道。Im good at English. 我很擅長(zhǎng)英文。Stick the newspaper together. 把報(bào)紙粘貼在一起。1. Lets + 動(dòng)原 /讓我們2. There be 句型/ 在某地有某物There be 句型不一般，主語(yǔ)跟在be后面Be可變?yōu)閕s, are. There永遠(yuǎn)是老大。單數(shù)主語(yǔ)用is. 復(fù)數(shù)主語(yǔ)要用are.如若遇到并列主語(yǔ)，就近原則就可以。M7主系表結(jié)構(gòu)的句型轉(zhuǎn)換例： It is. She is He is. You are This is.This is space. 這是太空。The sun is very big. 太陽(yáng)是獨(dú)一無(wú)二的，所以要用the.This planet is near to the sun. 這顆行星離太陽(yáng)很近。This planet is far from the sun. 這顆行星離太陽(yáng)很遠(yuǎn)。ring 光環(huán)， 戒指Some nights, theres no moon at all. 有些晚上，根本就沒(méi)有月亮。M81. 會(huì)用where對(duì)地點(diǎn)提問(wèn)，并會(huì)描述這一地點(diǎn)。Where對(duì)地點(diǎn)提問(wèn)，在哪里？Where is Los Angeles?Los Angeles is in the west of America.In the east of在。的東邊In the west of 在的西邊In the north of 在的北邊In the south of 在的南邊Maybe 也許。2. 動(dòng)詞單三的變化Does he live in New York? 他是住在紐約嗎？Yes, he does. 是的，他是。He lives in the east of America.他住在美國(guó)的東部。當(dāng)主語(yǔ)是he, she, it, 單個(gè)人，單個(gè)物時(shí)，后面的動(dòng)詞要用單三形式。動(dòng)詞變單三的規(guī)則：1. 一般情況直接加s.2. 以s, sh, ch, x, o結(jié)尾的單詞要加es.3.以輔音加y結(jié)尾的,把y變i加es, 以元音加y結(jié)尾的，直接加s. play-plays.一般現(xiàn)在時(shí)口訣：一般現(xiàn)在時(shí)態(tài)中，動(dòng)詞一般用原形。表述事實(shí)講真理，習(xí)慣動(dòng)作常發(fā)生。特別注意單數(shù)三，三單s(es)隨動(dòng)行。若變一般疑問(wèn)句，得看句型是哪種，如若有be句中現(xiàn)，be放句首可完成。若遇實(shí)義動(dòng)詞句，do或does莫忘用。疑問(wèn)否定來(lái)光顧，三單之前加does, 不是單三就加do.Do或does加在前，動(dòng)詞形式要還原。Cousin 黨（表）兄弟姐妹The capital of America is Wshington, D.C.美國(guó)的首都是華盛頓。Washington, D.C. is in the east of America. 華盛頓在美國(guó)東部。Canada is to the north of America. 加拿大在美國(guó)的北部。Mexico is to the south. 墨西哥在南部。In the east of 在東部 （包含在內(nèi)部，一個(gè)雞蛋和蛋黃的關(guān)系）To the east of 在東部（在外部，兩個(gè)雞蛋的關(guān)系）On the east of 在東部（名部接壤，兩個(gè)挨著的雞蛋的關(guān)系）變否定很容易，be,do,does后not加進(jìn)去。變疑問(wèn)也簡(jiǎn)單，be,do,does 放在主語(yǔ)前。Do或does加在前，動(dòng)詞形式要還原。Library 圖書(shū)館Bus station 公共汽車(chē)站M91. 一般現(xiàn)在時(shí)的用法（一般現(xiàn)在時(shí)口訣如M8）2. why do you? 為什么你。？Because. 因?yàn)? （回答由why提出的問(wèn)題）What language do they speak there? 那里的人說(shuō)什么語(yǔ)言They speak English. 他們說(shuō)英語(yǔ)。Why do you love kangaroos and koalas? 為什么你喜愛(ài)袋鼠和樹(shù)熊？Because they are very very cute. 因?yàn)樗麄兎浅７浅？蓯?ài)。3. Australia 澳大利亞 Australian 澳大利亞人，澳大利亞的 America 美國(guó) American 美國(guó)人，美國(guó)的。Live in 居住于Jump on their back legs. 用后腿跳。For 為， 給M101. 一般將來(lái)時(shí) be going to Be going to加動(dòng)原，計(jì)劃，準(zhǔn)備和打算。Be要根據(jù)人稱(chēng)變，表示將來(lái)時(shí)。Be going to=will ( 只要它當(dāng)作是一個(gè)表示將來(lái)的符號(hào)就可以簡(jiǎn)單些)What are you going to do this summer? 這個(gè)夏天你打算做什么？Im going to go back to England. 我打算去英格蘭。=I will go back to England.Im not going to go back to England.(否定句be 后not 加進(jìn)去)=I will not ( wont) go back to England.Are you going to go back to England? (變疑問(wèn)be提前)Will you go back to England?What about you? 你呢？Well send you a postcard from England. 我們會(huì)從英國(guó)寄給你名信片的。Ill send you a postcard from China. 我們會(huì)從中國(guó)給你寄名信片。2. 重點(diǎn)句型運(yùn)用What are you going to do? 你準(zhǔn)備做什么？What will you do?Where are you going to go? 你打算去哪？Where will you go?Where is she going to go? 她打算去哪？Where will she go?Shes going to go to Qingdao. 她打算去青島。She will go to Qingdao.且記用will 問(wèn)，用will答、用be going to問(wèn)，用be going to答。Review1. Ive got long hair.我有長(zhǎng)頭發(fā)。 Have got 有。2. It costs fifty six yuan.3. Which city is far from us?Which city is near to us?Which city is to the east of us?Which city is to the west of us?Which city is to the north of us?Which city is to the south of us?4. What will you do in the holiday? 假期你打算做什么？I will visit my grandparents. 我會(huì)去拜訪我的祖父母。