八年级英语下册 Unit 1 Past and Present（第5课时）课件 （新版）牛津版.ppt

uint1pastandpresent grammar2 leaningaims 1 能够在语境中正确使用现在完成时2 理解并运用常与现在完成时连用的时间表达方式 guideone 8 pleasewritethewords thenrecitethemwithin2minutes already ever for since just never ever yet recentlhaveamatch whocandoitbest 点拨 1 副词already和yet already一般用于肯定句中 yet一般用于否定句和疑问句如 wehavealreadyfinishedourhomework 我们已完成作业了 theyhaven tfinishedtheirhomeworkyet 他们还没有完成作业 2 副词ever和never 多用于否定或疑问句中 表示 曾经 或 从未 等 如 haveyoueverbeentothegreatwall 你曾经去过长城吗 ihaveneverbeentothegreatwall 我从未去过长城 3 用表示到说话为止的过去时间状语 如just before uptonow thepastfewyears等 如 ihaveseenherbefore buticannotrememberwhere 我以前见过她 但记不起在哪里见过 hehasbeentheretwicethelastfewdays 近几年他去过那里两次了 4 副词since for 现在完成时可以和带有since或for等表示 一段时间 的状语连用 表示动作或状态从某一时刻开始 一直持续到现在 如 ihaven tseenhimfortwoyears whocanrecite let sssrecitefortheothers check 1 ihavefinishedmyhomework haveyoufinishedyourhomework a yet yetb yet alreadyc already yetd already already 2 ihaven tseenkate 4months a alreadyb sincec ford yet 3 hehas seenthefilmharrypotter soheknowsnothingaboutit a alreadyb everc neverd yet 4 shehasbeenillinbed twodaysago a sinceb inc duringd for 5 haveyouseenhim no ihaven t a alreadyb neverc everd recently 6 ihave watchedawonderfulfilm it sreallyinteresting a yetb justc justnowd never guidetwo 9 pleaselookat andfinishitwithinfiveminutes haveamatch whocandoitbest classexercise 翻译短语 already ever for since just never ever yet recently后进生板演 后教阶段 后进生 中等生 优生更正