人教版英語八下unit8haveyoureadtreasuresectiona-2課件-wenkub.com
2024-12-04 16:07 本頁面
【正文】 （ post） 4. 我來到這個學校后，他就一直教我。 He has been drinking coffee. 他一直在喝咖啡。 ? 一般過去時： 一般過去時只表示過去的動作或狀態(tài)，和現在不發(fā)生關系（即動作或狀態(tài)在現在已經結束），它可以和表示過去的時間狀語連用。 在含義上如著重表示動作的結果時 , 多用現在 完成時 。 比較： I have seen him this morning . 我上午看見他了。 Mother hasn’t e home yet. 媽媽還沒回來。 ( 1).for+表示 一段 時間的短語 ( 2).since+表示 過去時間點 的詞語 ( 3).since+表示過去時間的時間狀語 從句 have been a teacher ______ a year. He has been at this school _______ 1992. We have learned 1,000 English words _______ we came to this school. for since since 現在完成時句中常見的時間狀語 , 不能是具體 的過去時間。 I cleaned my room last week. (I did it in the past.) 我上周打掃了我的房間。不過 , 這些 詞用于否定句則可以與表示持續(xù)的時間狀語連用， 即動作的不發(fā)生是可以持續(xù)的。 動詞構成： have/has+v過去分詞 have breakfast I have just had my breakfast. (現在我不餓 ) I’m not hungry now moved here in 2021 I still live here I have lived here for three years. I have lived here since 2021/three years ago. now past 2. 現在完成時動詞可以表示開始于過去持續(xù) 到現在 (也許還會繼續(xù)進行下去 )的動作或狀態(tài)。ve already finished reading it. It was really good. 現在完成時： 表示過去發(fā)生或已經完成的某一動作對現在造成的影響或結果，或從過去開始一直延續(xù)到現在的動作或保存的狀態(tài)。Unit 8 Have you read Treasure Island yet? 現在完成時態(tài) present perfect Grammar Focus Have you read Little Women yet? Yes, I have./No, 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 現在完成時 。 1) I have studied English since last year. 我從去年開始學習英語。 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
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