人教版英語八下unit8haveyoureadtreasuresectiona-2課件-免費閱讀
【正文】 2. 我五年前就認識李雷了。 一般不能用于進行時的動詞也不能用于 現(xiàn)在完成時行時。 I haven’t read the story yet. 我還沒讀過這個故事。 They have bought a dictionary. (They bought a dictionary and they have it now.) 他們買了一本字典。 2) She has lived in Beijing for five years. 她住在北京已經(jīng)五年了。t. Has Tina read Treasure Island yet? Yes, she has. She thinks it39。 ，持續(xù)到現(xiàn)在的動作或狀態(tài)， 常與 for或 since引起的一段時間狀語連用。 現(xiàn)在完成時與一般過去時在意義上 的區(qū)別舉例如下： I have cleaned my room. (My room is clean now.) 我已經(jīng)打掃過我的房間了。 如 : Jim has already finished his work. Jim已經(jīng)把他的工作做完了。 (說話時仍是冬天 ) 4. 現(xiàn)在完成進行時和現(xiàn)在完成時 都可以表示 “從過去開始一直持續(xù)到現(xiàn)在”這一概念 , 有時 兩者可以互相代用 , 但前者多用于口語。 He has drunk six cups of coffee. 他喝了六杯咖啡。 5. 我剛丟了我的歷史書。 現(xiàn)在完成時 與一般過去時的區(qū)別： have / has + V過去分詞 I have waited for him for many times. 我等他等了好幾次了。 (說話時在上午 ) I saw him this morning. 今天上午我遇見了他。 ever just already yet . Have you _____been to Japan? I have _____ finished my homework. I have finished my homework ______. I haven’t finished my homework ____. B. just, already, yet, before/ ever, never有此 類副詞時 ,常強調動作完成 ,不強調動作的持續(xù) . already “已經(jīng)” 。 不能說 : *He has e to Beijing for two years. *He has bought that book for three weeks. *He has joined the Army for one and a half years. *His grandma has died for nine months. * I have received his letter for a month. 可以說 : He has been in Beijing for two years. He has had that book for three weeks. He has been in the army for one and a half years. His grandma has been dead for nine months. I haven39。 結構： 主語 + have / has + 動詞的過去分詞 一般疑問句 ： have / has … ? Yes, I have. No, I haven’t. Yes, she has. No, she hasn’t. 1. 現(xiàn)在完成時動詞構成 have /has + v 過去分詞 助動詞 否定 haven’t hasn’t 疑問 Have you…? Has he…? 常與下列時間狀語連用： just , already, yet, ever, never, before, several times 現(xiàn)在完成時 。ve already finished reading it. It was really good. 現(xiàn)在完成時： 表
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