【正文】
st,never,before,recently,in the past few years,ever,so far,since+過去的點(diǎn)時(shí) 間 ,for+段時(shí)間 動(dòng)詞構(gòu)成: have/has+過去分詞 (ed) have/has worked 否定構(gòu)成: have/has not+過去分詞 一般疑問構(gòu)成: Have/Has+主語(yǔ) +過去分詞 …? 特殊疑問句舉例: What have you done recently? How long has he lived in Beijing? 備注:暫時(shí)性動(dòng)詞不能與 for…, since…,How long… 等 表示段時(shí)間 的短語(yǔ)同時(shí)使用。 用法:將來(lái)會(huì)出現(xiàn)或發(fā)生的動(dòng)作 常用時(shí)間狀語(yǔ): this evening,tomorrow,next month, in a few minutes,at the end of this term 動(dòng)詞構(gòu)成 : 1,will/shall+動(dòng)原 2,am/is/are going to+動(dòng)詞原型 3,sm/is/are(about)+動(dòng)詞不定式 4,am/is/are+ing等現(xiàn)在分詞 以 work為例 :will/shall work am/is/are going to work am/is/are(about) to work am/is/are ing/leaving… 否定構(gòu)成: will/sha