八下第三課時.ppt

Unit8 Unit8HaveyoureadTreasureIslandyet SectionA3Grammarfocus 4c Revision Readthefollowingsentenceswehaveseen HaveyoureadLittleWomenyet Yes Ihave No Ihaven t HasTinareadTreasureIslandyet Yes shehas Shethinksit sfantastic Haveyoudecidedwhichbooktowriteaboutyet Yes Ihave I vealreadyfinishedreadingit Itwasreallygood 用法1 表示過去發(fā)生或已經完成的某一動作對現在造成的影響或結果 e g Haveyouhadyourlunchyet Yes Ihave I vejusthadit 現在我不餓了 2 表示動作或狀態(tài)從過去某一時刻開始 一直延續(xù)到現在 而且可能還要繼續(xù)下去 現在完成時 e g Ihaven tseenherthesedays I veknownBobforthreeyears I vebeenatthisschoolforovertwoyears 時間狀語already yet just ever never before 構成現在完成時是由 助動詞have has 動詞的過去分詞 構成的 規(guī)則動詞的過去分詞構成與過去式相同 不規(guī)則動詞的過去分詞則需逐個記憶 動詞的過去式的變化和過去分詞的變化并不完全相同 我們對它們作了一個大致的分類 注 例子中單詞的變化順序為 動詞原形 動詞的過去式 動詞的過去分詞 一 過去式和過去分詞的變化相同規(guī)則變化 1 一般在動詞詞尾直接加ed 如 pick picked picked wish wished wished stay stayed stayed2 以不發(fā)音的e結尾的動詞后面加d 如 like liked liked hope hoped hoped phone phoned phoned 3 以 輔音字母 y 結尾的動詞 變y為i 再加 ed 如 study studied studied hurry hurried hurried reply replied replied4 詞尾只有一個輔音字母的重讀閉音節(jié)動詞 要雙寫輔音字母 再加 ed 如 stop stopped stopped clap clapped clapped 不規(guī)則變化 5 以不變應萬變 如 let let let put put put read read read6 若中間有雙寫e 則去掉一個e 單詞末尾再加t 如 feel felt felt keep kept kept sleep slept slept 7 結尾的字母d變t 如 lend lent lent build built built send sent sent8 變?yōu)橐?ought或 aught結尾 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都可以作為現在完成時的標志詞 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 4aUsethewordsinbracketstocompletetheconversations 1 A Wouldyoulikesomethingtodrink B No thanks just drinksometea 2 A Iheardyoulostyourkey find B No notyet Ihavejustdrunksometea Haveyoufoundit 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 4bFillintheblankswiththecorrectformsofthewordsinthebrackets Sally love reading Inthemorningshereadsthenewspaperandintheeveningshereadsbooks She already read morethan100differentbooks Herfavoritekindofbooksissciencefiction Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld be likein50years loves has read willbe She finish readingabookaboutrobotslastweekand write abookreportaboutitnextweekforherFrenchclass Everytimesheisinthelibrary Sallylooksatthemanybooksshe notread yetandshecan twaittoreadthem finished willwrite hasn tread Groupwork 4cCompletethechartwithinformationaboutyouandyourfriend A Whatbookshaveyoualreadyread B IhavealreadyreadTomSawyerandHarryPotter A Whatdoyouthinkofthem B Well IthinkHarryPotterwasexciting butTomSawyerwasabitboring 2013廣西貴港 DoyouknowthemovieLostinThailand Yes I ittwice It sfunny A sawB seeC haveseenD willsee C 中考鏈接 2013黑龍江牡丹江 Lunch No thanks I A willea