【正文】
ialog according to the telephone languages. 過去進行時 : 表示過去某一時刻或某一段時間內(nèi)正在進行或發(fā)生的 動作 . 肯定句 : 主語 + was / were + doing ( 現(xiàn)在分詞 ) 否定句 : 主語 + was / were + not + doing 一般疑問句 : Was / Were + 主語 + doing + …? 1 表示過去某一時刻正在進行的動作 ,常與時間狀語 at this/ that time, at this/ that moment, this time yesterday , at nine yesterday morning 等表示過去 的時間狀語及由 as, when, while 引導(dǎo)的時間狀語從句連用 .如 : What were you doing when I called you last night ? 2 表示過去某一段時間內(nèi)正在進行的動作 , 常與時間狀語 those days, that week, Last night 連用 . 如 : They were planting trees those days . 。 What were you doing at this time yesterday? 現(xiàn)在進行時 : 表示說話時正在發(fā)生的動作或狀態(tài) . 結(jié)構(gòu) :be(am/is/are) +doing ___________ read English ______ ________ ____________ play the piano sleep skate Example: A: What were you doing at this time yesterday? B: I was washing som