英語人教版八年級(jí)下冊(cè)Unit8 SectionA(Grammar Focus).ppt

Unit8HaveyoureadTreasureIslandyet SectionA3Grammarfocus 4c Revision Translatethefollowingconversations 你讀了 小婦人 了嗎 是的 我讀了 不 還沒有 HaveyoureadLittleWomenyet Yes Ihave No Ihaven t 蒂娜讀了 金銀島 了嗎 是的 她讀了 她認(rèn)為是神奇的 HasTinareadTreasureIslandyet Yes shehas Shethinksit sfantastic 你決定要寫哪本書了嗎 是的 決定了 我已經(jīng)看完了 書真的很好 Haveyoudecidedwhichbooktowriteaboutyet Yes Ihave I vealreadyfinishedreadingit Itwasreallygood 用法 1 表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果 e g Haveyouhadyourlunchyet Yes Ihave I vejusthadit 現(xiàn)在我不餓了 2 表示動(dòng)作或狀態(tài)從過去某一時(shí)刻開始 一直延續(xù)到現(xiàn)在 而且可能還要繼續(xù)下去 現(xiàn)在完成時(shí) e g Ihaven tseenherthesedays I veknownBobforthreeyears I vebeenatthisschoolforovertwoyears 時(shí)間狀語 already yet just ever never before 構(gòu)成 現(xiàn)在完成時(shí)是由 助動(dòng)詞have has 動(dòng)詞的過去分詞 構(gòu)成的 規(guī)則動(dòng)詞的過去分詞構(gòu)成與過去式相同 不規(guī)則動(dòng)詞的過去分詞則需逐個(gè)記憶 動(dòng)詞的過去式的變化和過去分詞的變化并不完全相同 我們對(duì)它們作了一個(gè)大致的分類 注 例子中單詞的變化順序?yàn)?動(dòng)詞原形 動(dòng)詞的過去式 動(dòng)詞的過去分詞 過去式和過去分詞的變化相同規(guī)則變化 1 一般在動(dòng)詞詞尾直接加ed 如 pick picked picked wish wished wished stay stayed stayed2 以不發(fā)音的e結(jié)尾的動(dòng)詞后面加d 如 like liked liked hope hoped hoped phone phoned phoned 3 以 輔音字母 y 結(jié)尾的動(dòng)詞 變y為i 再加 ed 如 study studied studied hurry hurried hurried reply replied replied4 詞尾只有一個(gè)輔音字母的重讀閉音節(jié)動(dòng)詞 要雙寫輔音字母 再加 ed 如 stop stopped stopped clap clapped clapped 不規(guī)則變化 5 以不變應(yīng)萬變 如 let let let put put put read read read6 若中間有雙寫e 則去掉一個(gè)e 單詞末尾再加t 如 feel felt felt keep kept kept sleep slept slept 7 結(jié)尾的字母d變t 如 lend lent lent build built built send sent sent8 變?yōu)橐?ought或 aught結(jié)尾 如 buy bought bought bring brought brought catch caught caught teach taught taught 句式 1 肯定句 主語 have has 過去分詞 其他 2 否定句 主語 have has not 過去分詞 其他 3 一般疑問句 have has 主語 過去分詞 其他 4 特殊疑問句 特殊疑問詞 不是句子主語 have has 主語 過去分詞 其他 2 特殊疑問詞 是句子主語 have has 過去分詞 其他 already和yet都可以作為現(xiàn)在完成時(shí)的標(biāo)志詞 但它們的用法不同 already一般用于肯定句中 如 Wehavealreadycleanedupourclassroom 注意 already用于疑問句中時(shí)通常表示驚奇 如 Haveyoufinishedyourhomeworkalready Ican tbelieveit yet一般用于疑問句和否定句中 如 Haveyouseenheryet Thebushasn tcomeyet 活學(xué)活用 1 Writetheformsofthepasttenseandpastparticiple drink see find leave tell drankdrunk sawseen foundfound leftleft toldtold WhyisMr Yangstillintheteachers office Maybehe hisworkyet A doesn tfinishB hasn tfinishedC haven tfinished B Exercises Usethewordsinbracketstocompletetheconversations 1 A Wouldyoulikesomethingtodrink B No thanks just drinksometea 2 A Iheardyoulostyourkey find B No notyet I vejustdrunksometea Haveyoufoundityet 4a 3 A DoyouknowwhenTomisleaving B already leave A When leave B Thismorning 4 A Isyoursistergoingtothemovieswithustonight B No already seethefilm Hehasalreadyleft didheleave Shehasalreadyseenthefilm 5 A Whatdoyourparentsthinkaboutourplan B I not tellthem yet haven ttoldthemyet Fillintheblankswiththecorrectformsofthewordsinthebrackets Sally love reading Inthemorningshereadsthenewspaperandintheeveningshereadsbooks She already read morethan100differentbooks Herfavoritekindofbooksissciencefiction Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld be likein50years loves has read willbe 4b She finish readingabookaboutrobotslastweekand write abookreportaboutitnextweekforherFrenchclass Everytimesheisinthelibrary Sallylooksatthemanybooksshe notread yetandshecan twaittoreadthem finished willwrite hasn tread Groupwork Completethechartwithinformationaboutyouandafriend A Whatbookshaveyoualreadyread B IhavealreadyreadTomSawyerandHarryPotter A Whatdoyouthinkofthem B Well IthinkHarryPotterwasexciting butTomSawyerwasabitboring 4c DoyouknowthemovieLostinThailand Yes I ittwice It sfunny A sawB seeC haveseenD willsee 中考鏈接 Lu