20xx牛津譯林版八年級(jí)下冊(cè)u(píng)nit1pastandpresentppt現(xiàn)在完成時(shí)課件(專業(yè)版)
【正文】 She has been to Shanghai before. 他在上海 10年了。 He speaks French so fluently. He learned it in Paris. He was there for two years. He has studied French. (他學(xué)過法語(yǔ)。） 一般過去時(shí)與現(xiàn)在完成時(shí)有一些明顯的時(shí)間狀語(yǔ)。 She has gone. (她走了。 He has gone to Shanghai. 現(xiàn)在完成時(shí)和一般過去時(shí)的區(qū)別： 現(xiàn)在完成時(shí)，強(qiáng)調(diào)這一動(dòng)作產(chǎn)生的結(jié)果對(duì)現(xiàn)在的影響，與現(xiàn)在有關(guān)。 。 Look! The blackboard is so clean now. He has cleaned the blackboard. (他已經(jīng)擦過黑板了。 He has studied English for five years. 他曾學(xué)過五年英語(yǔ)。Present perfect tense 現(xiàn)在完成時(shí)態(tài) 一、 現(xiàn)在完成時(shí)謂語(yǔ)動(dòng)詞的構(gòu)成： 助動(dòng)詞 have/has(not) +Ved（過去分詞） ? I ______________(finish) the position already. ? He ___________(learn) English for three years. ? We/You/ They…. ? She…. have finished has learned ▲ 現(xiàn)在完成時(shí)態(tài)的含義是表示過去發(fā)生的或已完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。 他已學(xué)英語(yǔ)五年了。 ) 這句話所表示的結(jié)果是黑板現(xiàn)在是干凈的。 這種用法常與 already, just, yet, ever, never, before(句末 )等連用 . ? I ________ (do) my homework already. ? He _____________(not finished) his homework yet. ? ____you ever _____(be) to Beijing? ? We ______ never ______ (see) such an exciting match before. ? Mother _____ just _______(clean) the house. Please don’t e in. ? They _________________(practice) this dialogue twice. have done has not finished Have been have seen has cleaned have practiced 注意：當(dāng)在肯定陳述句中含有 already或 just 時(shí)，在轉(zhuǎn)換成否定句或疑問句時(shí)，要把句中的already 或 just 去掉，在句末加上 yet. I haven’t seen the film yet. ● I
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1