完成時態(tài)構成及區(qū)別-全文預覽
【正文】 been meeting her lately？（a） Have you met her lately？（b） （a）句有“經常相會”之意，（b）句則沒有。又，（a）句表示教室剛剛打掃過，（b）句則可能表示教室是昨天打掃的。如： We have been cleaning the classroom．（a） We have cleaned the classroom．（b） （a）句可譯為“我們打掃教室來著。After we said goodbye to our friends, we left the village.在和朋友告別之后我們就離開村子。這類動詞有：e, go, start, leave, die, buy, finish, join, borrow, stop等。 have/ hasbeen to常和once, twice, never, ever連用； have/ has gone to則不可。(三)使用時注意事項使用現(xiàn)在完成時應該注意：1.“ have/ has got ”形式上是一種完成時，但和have/ has 為同一意義，即 “有”。I’ve known Li Lei for three years. 我認識李蕾已經三年了。I have had a clock now. 我現(xiàn)在有一個鬧鐘了?，F(xiàn)在和過去完成時的區(qū)別一、從結構上區(qū)別現(xiàn)在完成時：主語 + have / has + 過去分詞 （肯定式）主語 + have / has + not + 過去分詞 （否定式）Have / Has + 主語 + 過去分詞 （疑問式）過去完成時：主語 + had + 過去分詞 （肯定式）主語 +had + not + 過去分詞 （否定式）Had + 主語 + 過去分詞 （疑問式）(二)從時間狀語區(qū)別現(xiàn)在完成時: 常用的時間狀語包括 “now, today, tonight, this week, this year, already, yet, just, recently…etc”。例如：Have you had your lunch yet? 你吃午飯了嗎？Yes, I have . I’ve just had it. 是的，我剛吃完。They had done the work at five o’clock. 在五點鐘的時候他們已經完成了那項工作。They had then been without sleep for twentyfour 。2. have/ has gone t
研究報告相關推薦
鄂ICP備17016276號-1