英語(yǔ)作文中的正在進(jìn)行式

字號(hào):

表示“正在進(jìn)行”的be+介詞短語(yǔ)
    表示“正在進(jìn)行”這一動(dòng)作,通常用現(xiàn)在進(jìn)行時(shí)表示。如:I am having a class now.(我正在上課。)但“正在進(jìn)行”這一動(dòng)作,還可以用“be+介詞短語(yǔ)”來(lái)表示。常見(jiàn)的介詞短語(yǔ)類型有: be +at引導(dǎo)的介詞短語(yǔ);be +in引導(dǎo)的介詞短語(yǔ);be +on引導(dǎo)的介詞短語(yǔ); be +under引導(dǎo)的介詞短語(yǔ)等。
    Ⅰ.be+at引導(dǎo)的介詞短語(yǔ)
    be at war(正在交戰(zhàn)):The two countries are at war now.兩國(guó)正在交戰(zhàn)。
    (相當(dāng)于:The two countries are waging a war now.)
    be at work(正在工作):Jim is at work on his car now.吉姆正在修自己的車。
    (相當(dāng)于:Jim is repairing his car now.)
    be at peace(處于和平或平靜狀態(tài)):
    Thus Europe was at peace for the first time in ten years.
    于是歐洲在十年以后第進(jìn)入和平狀態(tài)。
    be at table(正在吃飯):When I arrived my friends were already at table.
    當(dāng)我到達(dá)時(shí),我的朋友們正在吃飯。
    常見(jiàn)的這類結(jié)構(gòu)還有:be at meeting正在開(kāi)會(huì);be at school正在上學(xué);be at breakfast(lunch /supper)正在吃早(午/晚)飯;be at church正在做禮拜,等等。