20xx春牛津譯林版英語(yǔ)八下unit1pastandpresentgrammarppt精品課件-文庫(kù)吧資料
2024-12-15 21:24本頁(yè)面
【正文】 nt gone find found found see saw seen fet fot fotten buy bought bought e came e put put put cut cut cut build built built write wrote written (Page122) 四、現(xiàn)在完成時(shí)與一般過(guò)去時(shí)的區(qū)別 1） 一般過(guò)去時(shí)表示過(guò)去某時(shí)發(fā)生的動(dòng)作或單純敘述過(guò)去的事情 ，強(qiáng)調(diào)動(dòng)作 ， 和現(xiàn)在不發(fā)生關(guān)系 。 livelivedlived , (3)、以“輔音字母 + y ”結(jié)尾的動(dòng)詞，將 “ y” 變?yōu)? “ i” ，再加“ ed ”。四點(diǎn)變化規(guī)則： (1)、一般動(dòng)詞，在詞尾直接加“ ed ”。 He/She/It +has not / hasn’t +(過(guò)去分詞） +其它。 He/She/It + 助動(dòng)詞 has + (過(guò)去分詞） +其它。） haven’t finished our homework yet. (我們還沒(méi)有完成作業(yè)呢。例如： has just eaten my food. (Eddie已經(jīng)吃了我的食物。（注意：句中謂語(yǔ)動(dòng)詞要用延續(xù)性動(dòng)詞）時(shí)間狀語(yǔ)的表達(dá)方法有兩種 : has lived with Millie for 4 years. has lived with Millie since he was born. since 2021 for: + 一段時(shí)間 for a year, for two weeks, for three years... 過(guò)去的某一時(shí)刻 , since last week, since 2021… Since 一段時(shí)間 +ago, since 9 years ago, since 3 days ago… , +點(diǎn)時(shí)間 一般過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句： since you came， since he moved here, since I was born… since 4 years ago. Language points Let’ try! 用 since或 for填空： have been at this school ____________ more than two years. 2. She has worked in the factory ___________ ten years ago. 3. Mr. Green has lived in the city ____________ he was born. 4. His father has been a party member ___________ twenty years. for for since since
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