七年級(jí)英語(yǔ)下冊(cè) Unit 4 Don’t eat in class課件2 （新版）人教新目標(biāo)版

SECTION B & SELF CHECKSECTION B & SELF CHECK123451.practice the guitar (教材P22)練吉他解讀 practice的用法。(1)practice作動(dòng)詞,意為“練習(xí);實(shí)踐”,其后可跟名詞、代詞或動(dòng)詞-ing形式作賓語(yǔ)。I practice playing the piano every day.我每天練習(xí)彈鋼琴。(2)practice作名詞,意為“練習(xí);實(shí)踐”,常用作不可數(shù)名詞。Practice makes perfect.熟能生巧。12345123452.before dinner (教材P22)晚飯前解讀 (1)before介詞,意為“在以前”,反義詞為after,后接名詞、代詞或動(dòng)詞-ing形式,常作時(shí)間狀語(yǔ)。I must finish my homework before 9:00.我必須在9點(diǎn)以前寫完家庭作業(yè)。I like to listen to music before going to bed.我喜歡睡覺(jué)前聽(tīng)音樂(lè)。(2)作連詞,意為“在以前”,引導(dǎo)時(shí)間狀語(yǔ)從句。It was some time before I realized the truth.過(guò)了很長(zhǎng)一段時(shí)間我才悟出真相。(3)作副詞,意為“以前”,常用于現(xiàn)在完成時(shí)態(tài)中。I have never seen him before.我以前從未見(jiàn)過(guò)他。12345123453.Parents and schools are sometimes strict,but remember,they make rules to help us.(教材P23)父母和學(xué)校有時(shí)是嚴(yán)格的,但是記住,他們制定規(guī)則是為了幫助我們。解讀 strict 形容詞,意為“嚴(yán)格的;嚴(yán)厲的”。Is your English teacher strict?你的英語(yǔ)老師嚴(yán)厲嗎?一言辨異嚴(yán)于律“物”與嚴(yán)于待“人”的strictbe strict with對(duì)要求嚴(yán)格,后接表示人的名詞或代詞;表示對(duì)某事要求嚴(yán)格,則用be strict in。Mr.Smith is strict with us and he is also strict in his work.史密斯先生對(duì)我們很嚴(yán)格,他也對(duì)工作要求嚴(yán)格。12345123454. .I have to keep my hair short.(教材P24)我必須留短發(fā)。解讀 keep為動(dòng)詞,意為“保留;保存;保持”。keep +sth.+adj. “讓某物保持某種狀態(tài)”,屬于“keep+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)”結(jié)構(gòu),其中賓語(yǔ)補(bǔ)足語(yǔ)常由形容詞、副詞或介詞短語(yǔ)充當(dāng)。Please keep the window closed.請(qǐng)讓窗戶關(guān)著。12345拓展keep的常見(jiàn)用法:(1)“keep +形容詞”,表示“保持某種狀態(tài)”。You need to take more exercise to keep healthy.你需要多鍛煉來(lái)保持健康。(2)keep sb.doing sth.讓某人一直做某事Dont keep him standing.別讓他一直站著。(3)keep on doing sth.堅(jiān)持做某事If you keep on working hard,your dream can come true one day.如果你堅(jiān)持努力工作,你的夢(mèng)想總有一天會(huì)實(shí)現(xiàn)的。12345123455.I never have fun.(教材P24)我從未開(kāi)心過(guò)。解讀 fun “愉快;開(kāi)心,樂(lè)趣”,是不可數(shù)名詞。have fun 意思為“玩得開(kāi)心”,相當(dāng)于have a good time和enjoy oneself。Swimming is great fun.游泳很有樂(lè)趣。拓展延伸(1)have fun(in) doing sth.做某事很開(kāi)心We have fun learning English.我們學(xué)英語(yǔ)很開(kāi)心。(2)fun 形容詞,意思為“有趣的;令人愉快的”。I like English because its fun.我喜歡英語(yǔ)因?yàn)樗腥ぁ?2345Section B1ah c e b g d f1b參考下一題答案1ca.go outcanton school nightsh.see friendscanton school daysc.do his homeworkhave to/mustafter classe.practice the guitarhave to/mustbefore dinnerb.do the disheshave to/mustafter dinnerg.watch TVcantin the eveningd.help his mom make breakfasthave to/mustevery morningf.clean his roomhave to/mustevery Saturday2bUnderlined:Get up now and make your bed;Dont leave the dirty dishes in the kitchen;cant be late;dont be noisy;dont eat in class;cant play basketball after school;must do my homework;I can play only on weekends;read a book before I can watch TV;have to go to bed before 10:002c1.cant;can2.has to/must3.has to/must;can4.cant5.have to/must3aCan,have to/must,have to/must,have to/must,cant,have to/must,cant,have to/must,canSelf Check1arrive late,be noisy,listen to,is strict,follow the rules22.Listen to the teacher./We must/have to listen to the teacher.3.We must not be noisy in the library./We cant be noisy in the library./Dont be noisy in the library.4.We must/have to speak English in English class.5.Eat in the dining hall.We must/have to eat in the dining hall.