八年級(jí)下英語(yǔ)第3單元單詞解析

1、單詞講解sweep1.swept;swept2 sweep the floor; sweep away 掃走3. I sweep the floor every day. Please clean the room.messThe room was in a mess. =There was a mess in the room.2. You can make the cakes in the kitchen, but you can not make a mess.3. You messed up my life.throw1 threw; thrown2 throw about 亂扔 th

2、row at 扔向 throw sth to sb /throw sb sth 將某物扔給某人neither作形容詞或代詞，意為“兩者都不的” Neither answer is correct.Neither of +復(fù)數(shù)名詞/代詞 兩者都不 Neither of the students is in the classroom.Neither nor 兩者都不（ 就近原則） Neither you nor he goes to the park.Neither +be 動(dòng)詞/情態(tài)動(dòng)詞/助動(dòng)詞+主語(yǔ) 也不 He does not like apples. Neither does he. T

3、hey can not swim. Neither can I/Me neither She is not working. Neither is he. I cant swim. Neither can I.= Me neither.They didnt do homework. Neither did I.He has not done his homework. Neither have I Neither has she.have/has +過去分詞pass1 為動(dòng)詞，“經(jīng)過” 過去式 passed She passed me in the street. 她在街上從我身旁經(jīng)過。 注：

4、past 也表”經(jīng)過“，但是為介詞2 pass sb sth / pass sth to sb 把某物傳給某人3 pass on 傳遞when 和while的用法區(qū)別 when引導(dǎo)的時(shí)間狀語(yǔ)從句中的動(dòng)詞可以是非延續(xù)性動(dòng)詞，也可以是延續(xù)性動(dòng)詞，而while從句中的動(dòng)詞必須是延續(xù)性動(dòng)詞。 判斷對(duì)錯(cuò) She was crying when her mother arrived home. She was crying while her mother arrived home.由when引導(dǎo)的時(shí)間狀語(yǔ)從句，主句用過去進(jìn)行時(shí)，從句應(yīng)用一般過去時(shí)；如果從句和主句的動(dòng)作同時(shí)發(fā)生，兩句都用過去進(jìn)行時(shí)的時(shí)候，

5、多用while引導(dǎo)，while 也可表轉(zhuǎn)折 While we were talking, the teacher came in. They were singing while we were dancing. I am ugly while she is pretty. 改錯(cuò) 1.She is fat but I am thin. 2.It was raining while we arrived. 3.I dont know them well，while they are my neighbors. waste1.Its a waste to throw away all this f

6、ood. 把這些食物都扔了是浪費(fèi)。2. We shouldnt waste a drop of water or a grain of rice. 我們不應(yīng)該浪費(fèi)一滴水一粒米。provideprovide sb with sth 為某人提供某物provide sth for sb 為某人提供某物provide for sth 為某事做好準(zhǔn)備provide for sb 贍養(yǎng)某人provide that +從句 規(guī)定；預(yù)先約定anyway而且；加之I dont want to see the film and anyway I havent got any money. 我不想看那部電影，再說我

7、也沒錢。 depend1.depend on/upon視而定；決定于 He depends on you to help him. 他指望你幫他.2. It (all) depends那得看情況，可單獨(dú)使用，或位于句首 It all depends on how you do it. It depends where you live.3. dependent 依賴的 independent 獨(dú)立的since 1.因?yàn)?，既?Since he says so, it must be true. 既然他這么說，那就一定是真的。 Since you like computer, I will gi

8、ve it to you. 2. since自以來+完成時(shí) It is +一段時(shí)間+since+一般過去時(shí) I have been to Beijing twice. It is ten years since we met him last time.neighbor可數(shù)名詞，neighborsNeighborhood 附近，鄰近一帶；街坊，四鄰He moved into the neighborhood recently.他最近搬到了這一帶。.drop1 drop in 順便來訪 2 drop out 退學(xué) 3 名詞：滴；水珠 a drop of water 4 drop:可做及物動(dòng)詞，也

9、可做不及物動(dòng)詞 The temperature drops below zero at night. 夜里溫度降到零度以下。 fall: 只作不及物動(dòng)詞 側(cè)重地心引力或沒有握住等原因掉下 側(cè)重于重力作用或失去平衡而摔倒Its fair to say that說句公道話fair-unfair Could you please+動(dòng)詞原形? Could you please tell me the way to the bus stop? Could you please not stand here? dish wash the dishes=do the dishes a dish of fis

10、h 一盤魚 （指菜，菜肴，食物） What is your favorite dish? 你最喜歡吃的菜是什么？get a ride 搭車 give sb a ride 讓某人搭便車 He always gives me a ride to the school. 他常讓我搭便車去學(xué)校。work on.創(chuàng)作,畫，做，寫 從事某項(xiàng)工作 用于進(jìn)行時(shí)和完成時(shí) He is working on a new book. 他在寫一本新書。 work at學(xué)習(xí)，研究，寫作，致力于 從事工作的性質(zhì) He has worked at this subject for many years.be angry wi

11、th sb 生某人的氣 He was angry with his students for not finishing the homework.for:說明生氣的原因be angry at sth 因而惱怒/生氣 I was very angry at what he said.3. be angry about=be angry at 1 to ones surprise :令人驚奇的是 = 主語(yǔ)+be surprised To her surprise she found money on the floor. =She was surprised to find some money

12、 on.in surprise 驚奇地，用來修飾動(dòng)詞 They looked at each other in surprise.be surprised at2 We are very/too surprised at the news.as soon as一就 asas possible = asas sb can/could You have to finish the work as soon as possible. = You have to finish the work as soon as you can.2 do chores = do the housework I do

13、nt like doing chores. 1 cloth:衣服所用的“布料”；衣料 clothing:服裝的總稱，泛指服裝或特指某類衣服 范圍比clothes 廣 clothes: 常用作復(fù)數(shù)形式；統(tǒng)指衣服 dress:不可數(shù)名詞，統(tǒng)指外面的衣服； 可數(shù)名詞，連衣裙2. invite sb to 邀請(qǐng)某人 invite sb to do sth 邀請(qǐng)某人做某事1 make sb do sth=let/have sb do sth 讓某人做某事 sb be made to do sth 某人被迫做某事2 Never mind=It doesnt matter 沒關(guān)系 change ones mind 改變主意 make ones mind to do sth 下定決心 set ones mind to do sth 專注于 keep in mind 記在心里 come into ones mind 計(jì)上心來，浮現(xiàn)在腦海里1 as result 結(jié)果，因此 as a result of 由于的原因2 according to根據(jù) Acco