2017-2018學(xué)年八年級英語下冊Unit3OnlinetoursGrammar2教案

1、On li ne tours教學(xué)目標(biāo)1.To lear n differe nces betwee n Simple past tense and Prese nt perfect ten se. Complete Part A and Part Bon page 41 and underline the different time expressions.2.To learn different time expressions between the Simple past tense and the Present perfect ten se.教學(xué)重、難占八、1.To lear n

2、differe nces betwee n Simple past tense and Prese nt perfect ten se.Complete Part A and Part B on page 41 and underline the different time expressions.2. T o learn different time expressions between the Simple past tense and the Present perfect ten se.教學(xué)設(shè)計(jì)Step 1 Show :lea ning aims.Today we ll learn

3、8B Unit3 Online tours(Grammar2).Please look at our learning aims .(Then 1 read it slowly)T: Are you clear ?S: Yes.T: Let s go on .Step 2 Show “ Guide One to the stude nts.Guide One (8)Please write the words ,then recite them within 2 minutes.esterday, the other day, last,ago, just now. already, ever

4、, just, recently, yet, so far, upto now, till now, for,since，in the past/last ten years.Have a match! Who can do it best?T:please read and recite them by yourselves .If you have any questi on s,you can ask your deskmate or ask me.Un dersta nd?S:Yes.T:I ll give you 2 minutes .Please goT: OK ,Now,a ny

5、 questio ns?2點(diǎn)撥：一般過去時(shí)的用法概念：過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為?；緲?gòu)成：主語+動(dòng)詞(包括 be)的過去時(shí)常用的時(shí)間狀語： yesterday, last week, an hour ago, the other day, in 1982等具體時(shí)間狀語?！咀ⅰ坎徽撌欠穸ň溥€是一般疑問句，只要用了助動(dòng)詞，原句中的謂語動(dòng)詞的過去時(shí)都要還原成動(dòng)詞原形；主系+表結(jié)構(gòu)的句子，主語要和was 和 were 在人稱和數(shù)上保持一致。表示過去某一時(shí)刻或某段時(shí)間發(fā)生的動(dòng)作或者存在的狀態(tài)。常與表示過去的時(shí)間狀語連用。例如：I lived5 years ago.表

6、示在過去一段時(shí)間內(nèi)，經(jīng)常性或習(xí)慣性的動(dòng)作。例如：When I was a child, I ofte n played football inthe street.一般過去時(shí)的形式有時(shí)并不表示過去的動(dòng)作而是只表示說話人的委婉語氣。例如：could you tell meyour現(xiàn)在完成時(shí)與一般過去時(shí)的用法比較現(xiàn)在完成時(shí)的構(gòu)成概念：過去發(fā)生或已經(jīng)完成的動(dòng)作對現(xiàn)在造成的影響或結(jié)果，或從過去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)?；窘Y(jié)構(gòu)：主語+have/has+過去分詞否定形式：主語 +have/has+not+過去分詞常用的時(shí)間狀語： now,today, tonight, this week, th

7、is year, already, yet, just, since, recently,inpast few years 等等Who can recite ? (let s Ss recite for the others)He /She recites once.You recite twice,Are you clear?S:Yes.T:Please go.Then A,B 分組讀。T: Now I will give you 2 minutes to understand them.Have a match! Who can do it best?Time is up,Who can

8、un dersta nd? Please check with your desk nm ates.(The n the teacher will check somestude nts) Let s go on .Please look at“ Guide Two ” .Check:3Use the correct forms of the verbs in brackets.heren ame?the41.The old man (live) here si nee 1992.2.you(visit) our factory yet?3. I(not see) you for a long

9、 time. You(cha nge) a lot.4. I m afraid I(keep) you waiting for such a long time.5. He(know) the city since he was very young.6.Are you sure you (lose) the book?-Yes, I(look) for it everywhere, but I still can t find it.Show“ Guide Two ”Please look at Grammar B and finish it with in five minu tes.Ha

10、ve a match! Who can do it best?T:I ll give you 5 minutes,Please go .Let one student finish it on the blackboard.T: Then check the an swers.Step 3Class Exercise(-)True or False(請改正)(1) He has gone to the cin ema since last ni ght.(2) He has see n many great films.(3) My gra ndfather has died for two years.(4) They have been i