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

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1、SECTION B & SELF CHECKSECTION B & SELF CHECK123451.practice the guitar (教材P22)練吉他解讀 practice的用法。(1)practice作動詞,意為“練習(xí);實(shí)踐”,其后可跟名詞、代詞或動詞-ing形式作賓語。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)befor

2、e介詞,意為“在以前”,反義詞為after,后接名詞、代詞或動詞-ing形式,常作時間狀語。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.我喜歡睡覺前聽音樂。(2)作連詞,意為“在以前”,引導(dǎo)時間狀語從句。It was some time before I realized the truth.過了很長一段時間我才悟出真相。(3)作副詞,意為“以前”,常用于現(xiàn)在完成時態(tài)中。I have never seen him before.我以前從未見過

3、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對要求嚴(yán)格,后接表示人的名詞或代詞;表示對某事要求嚴(yán)格,則用be strict in。Mr.Smith is strict

4、with us and he is also strict in his work.史密斯先生對我們很嚴(yán)格,他也對工作要求嚴(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+賓語補(bǔ)足語”結(jié)構(gòu),其中賓語補(bǔ)足語常由形容詞、副詞或介詞短語充當(dāng)。Please keep the window closed.請讓窗戶關(guān)著。12345拓展keep的常見用法:(1)“keep +形容詞”,表示“保持某種狀態(tài)”。You

5、need to take more exercise to keep healthy.你需要多鍛煉來保持健康。(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,你的夢想總有一天會實(shí)現(xiàn)的。12345123455.I never have fun.(教材P24)我從未開心過。解讀 fun “愉快;開心,樂趣”,是不可數(shù)名詞。have fu

6、n 意思為“玩得開心”,相當(dāng)于have a good time和enjoy oneself。Swimming is great fun.游泳很有樂趣。拓展延伸(1)have fun(in) doing sth.做某事很開心We have fun learning English.我們學(xué)英語很開心。(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 friendsca

7、nton 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 yo

8、ur 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/m

9、ust3aCan,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.