新目標(biāo)英語九年級(jí)課件_unit3_第一課時(shí)_第3單元第一課時(shí)課件[1].ppt

1、Unit 3,Teenagers should be allowed to choose their own clothes,Go for it J9,Section A,1a-2c,exercise,同義句轉(zhuǎn)換,They should allow us to have part-time jobs. _. We should allow children to spend time with their friends. _. The teacher should allow Anna to finish the picture. _. Parents should allow childr

2、en to choose their own friends. _.,被動(dòng)語態(tài),定義:表示主語是動(dòng)作的承受者. 構(gòu)成:助動(dòng)詞be+及物動(dòng)詞的過去分詞。助動(dòng)詞有人稱、時(shí)態(tài)和數(shù)的變化。 含有情態(tài)動(dòng)詞的被動(dòng)語態(tài)：情態(tài)動(dòng)詞be及物動(dòng)詞的過去分詞。 用法：當(dāng)我們不知道誰是動(dòng)作的執(zhí)行者，或者沒有必要指出誰是動(dòng)作的執(zhí)行者，或者只強(qiáng)調(diào)動(dòng)作的承受者時(shí)，要用被動(dòng)語態(tài)。,1.規(guī)則動(dòng)詞的過去分詞：,1)一般情況在動(dòng)詞原形后加-ed,watch-watched,2)以不發(fā)音e結(jié)尾的加-d,practice-practiced,3)以輔音加y結(jié)尾的，去y變i加-ed,study-studied,4)以重讀閉音節(jié)結(jié)尾，末尾

3、只有一個(gè)輔音字母， 先雙寫該輔音字母，再加-ed,stop-stopped,2.不規(guī)則動(dòng)詞的過去分詞：,am,is,are,been,have,has,had,do,done,write,written,go,gone,The telephone _(invent) by Bell in 1876. The trees may _(plant) in spring. Teenagers should not _(allow) to drive. English _(speak) in Canada. Math must _ (study) well. We _(need) to learn English.,exercise,Finish the sentences,Listen and check what Kathy thinks. Circle : Agree” “disagree” or “Doesnt know” to show what Molly thinks.,grammar focus,homework,A: Do you think teenagers shou