【正文】
mplings . mop [’m?p] mopping [’m?p?? ] A:What is she doing? B:She is mopping the floor. ? clean the windows ? What is she doing? ? She is cleaning the windows. 現(xiàn)在進(jìn)行時(shí)態(tài): 表示現(xiàn)在正在發(fā)生或進(jìn)行的動(dòng)作 結(jié)構(gòu): ? be( am, is ,are) +動(dòng)詞的現(xiàn)在分詞形式 ? 動(dòng)詞的現(xiàn)在分詞的變化規(guī)則: ? ing ? e結(jié)尾,去 e加 ing ? 重讀閉音節(jié) 結(jié)尾的, 雙寫 最后的輔音字母再加 ing.