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We have already cleaned the classroom. 我們已經(jīng)打掃了教室。ll e back in two days. A. has e to B. has gone to C. has gone in D. has been to B 語法集訓 03 過去發(fā)生的動作,對現(xiàn)在造成的影響和結(jié)果, just, already常用著。當這些詞與一段時間連用時,可進行以下變化: Leave → be away ; begin, start → be on ; join → be in ; die → be dead ; buy → have ; borrow, lend → keep eg: The game has been on for five minutes. 比賽已經(jīng)開始五分鐘了。 eg: She has already finished the work. 她已經(jīng)完成了這份工作。t. No, you/we/ they haven39。 現(xiàn)在完成時由 “ 助動詞 have/has+過去分詞 ” 構(gòu)成 , 其各種形式都是通過助動詞 have/has來變化的 , 即變否定句時在 have/has后加 not, 變疑問句時把 have/has提到主語的前面 。t finished D. haven39。 語法集訓 03 表示動作從過去某時開始一直持續(xù)到現(xiàn)在,并有可能持續(xù)下去。t here right now. He has gone to London. 他現(xiàn)在沒在這里。 語法集訓 03 無明顯時間標志,仍使用現(xiàn)在完成時。 meet B. has passed。s advice (4) (recent), she has built up her body. Her parents don39。 have met 5. You said that Zhijin Cave is very beautiful. _______ you ______ there? A. Have。 語法集訓 03 考點五: 現(xiàn)在完成時和一般過去時的區(qū)別 側(cè)重點不同,現(xiàn)在完成時表示過去發(fā)生的動作對現(xiàn)在造成的影響,側(cè)重于現(xiàn)在的情況;一般過去時表示過去某個時候發(fā)生的動作、存在的狀態(tài),與現(xiàn)在不發(fā)生關(guān)系。 How long have you been in China? 你在中國呆了多久? 語法集訓 03 考點四: —Have you seen Mrs