英語人教版八年級下冊unit 8 grammar focus.doc

Section A 3 (Grammar Focus -4c)教學(xué)目標(biāo)：知識目標(biāo)：A.復(fù)習(xí)現(xiàn)在完成時的句型及標(biāo)志詞。B.核心句型預(yù)覽：1.Have you read Little Women yet?Yes, I have./No, I havent.2. Has Tina read Treasure Island yet?Yes, she has. She thinks its fantastic.3. Have you decided which book to write about yet?Yes, I have. Ive already finished reading it. It was really good.能力目標(biāo)：能把現(xiàn)在完成時運用到具體問題中。教學(xué)重難點：重點：1.熟練掌握already, yet在現(xiàn)在完成時中的用法。2.掌握常用動詞的過去分詞形式。難點：能具體分析。教學(xué)過程：Step 1 Warm upRead the following sentences we have seen.Have you read Little Women yet?Yes, I have./ No, I havent.Has Tina read Treasure Island yet?Yes, she has. She thinks its fantastic.Have you decided which book to write about yet?Yes, I have. Ive already finished reading it. It was really good.Step 2現(xiàn)在完成時構(gòu)成：助動詞have / has+動詞的過去分詞，規(guī)則動詞的過去分詞構(gòu)成與過去式相同，不規(guī)則動詞的過去分詞則需逐個記憶。規(guī)則變化：1.一般加ed。如：pickpickedpicked; wishwishedwished; staystayedstayed2.以不發(fā)音的e結(jié)尾的動詞后面加d。如：likelikedliked; phonephonedphoned3.以“輔音字母+ y”結(jié)尾的動詞，變y為i，再加-ed。如：studystudiedstudied;4.以輔元輔結(jié)尾的，雙寫再加-ed。如：stopstoppedstopped; clapclappedclapped不規(guī)則變化：5.以不變應(yīng)萬變。如：letletlet; putputput; readreadread6.若中間有雙寫e，則去掉一個e，單詞末尾再加t。如：feelfeltfelt; keepkeptkept; sleepsleptslept7.結(jié)尾的字母d變t。如：lendlentlent; buildbuiltbuilt; sendsentsent8.變?yōu)橐?ought或-aught結(jié)尾。如：buyboughtbought; bringbroughtbrought; catchcaughtcaught; teachtaughttaught句式：1.肯定句：主語+ have / has +過去分詞(+其它)2.否定句：主語+ have / has + not +過去分詞(+其它)3.一般疑問句：have/ has +主語+過去分詞(+其它)用法：1.表示過去發(fā)生或已經(jīng)完成的某一動作對現(xiàn)在造成的影響或結(jié)果。e.g. Have you had your lunch yet? Yes, I have. Ive just had it. (現(xiàn)在我不餓了。)時間狀語：already, yet, just, ever, never, before2.表示動作或狀態(tài)從過去某一時刻開始，一直延續(xù)到現(xiàn)在，而且可能還要繼續(xù)下去。e.g. I havent seen her these days. Ive known Bob for three years. Ive been at this school for over two years.already和yet都可以作為現(xiàn)在完成時的標(biāo)志詞，但它們的用法不同。already一般用于肯定句中。yet一般用于疑問句和否定句中?；顚W(xué)活用：drink _ _see _ _find _ _leave _ _ tell _ _Why is Mr. Yang still in the teachers office?Maybe he _ his work yet.A. doesnt finishB. hasnt finishedC. havent finishedStep 3 Exercises1. Finish 4a and check the answers.Keys:I have just drunk some tea.Have you found it?He has already left.did he leaveShe has already seen the filmhavent told them yet2. Finish 4b and check the answers.Keys:loves, has read, will be, finished, will write, hasnt read3. Finish 4c and check the answers.Make conversations and complete the chart. (Follow the conversation on page 60)YouYour friendCommentsBooks I have already readMovies I have already seenSongs I have already heardReport: In our group, Mary has read Little Women. She thinks it is interesting. Tom has watched a movie called Zootopia. He likes its very much because it is very exciting. Lily has heard . She thinks its. And I have .HomeworkRecite the sentences in grammar focus.板書設(shè)計：Have you read Little Women yet?Yes, I have./No, I havent.Has Tina read Treasure Island yet?Yes, s