【正文】
ed my homework. 過去已經(jīng)開始,持續(xù)到現(xiàn)在的動作或狀態(tài) Eg. We have waited for her for 2 hours. 常見時間狀語:recently, lately, so far, up to now, since+時間點,for+時間段, in the past few years, etc. 現(xiàn)在完成時是考試中的重點也是難點,同學們需要格外加強。特別注意瞬間動詞和延續(xù)性動詞的轉(zhuǎn)化問題,具體會在課程中詳細講解,在此不加以贅述。 八、過去完成時: 基本結構:had + 過去分詞 基本用法:以過去某個時間為標準,在此以前發(fā)生的動作或行為,即”過去的過去”。 Eg. Just before the English class, I suddenly realized that I had left my English textbook at home. 常見時間狀語:before, after, by the end of last year(month…),etc. 4