20xx人教版英語八年級下冊unit10i’vehadthisbikeforthreeyearssectiona3課件(更新版)
【正文】 They haven’t seen each other for ages. (√) 短暫性 (短語 )動詞與延續(xù)性 (短語 )動詞 和與表示狀態(tài)的短語之間的轉(zhuǎn)化 1. 有些短暫性 (短語 )動詞可轉(zhuǎn)化為相應(yīng)的延續(xù)性 (短語 )動詞。1. How long have you had that bike over there? I’ve had it for three years. 2. How long has his son owned the train and railway set? He’s owned it since his fourth birthday. 3. Have you ever played football? Yes, I did when I was little, but I haven’t played for a while now. 現(xiàn)在完成時的持續(xù)型用法 現(xiàn)在完成時還可表示過去某一時間開始并一直持續(xù)到現(xiàn)在 (包括“現(xiàn)在”在內(nèi) )的動作或狀態(tài)，該用法中的動詞多是延續(xù)性動詞，常見的時態(tài)標(biāo)志詞有 since, for等。 常見的有： bee → be borrow → keep buy → have / own catch a cold → have a cold e → stay put on → wear go to sleep → sleep move to → live in 2. 有些短暫性 (短語 )動詞可轉(zhuǎn)化為表示狀態(tài)的短語。 bought B. did, buy。作介詞時 , 后接表示過去的時間點(diǎn) , 表示某事開始的時間；作連詞時 , 引導(dǎo)時間狀語從句 , 從句常用一般過去時。 如： Jane has learned to play the piano since two years ago. (對劃線部分提問 ) How long has Jane learned to play the piano? 2. 在現(xiàn)在完成時中，含有 for和 since的句子可以相互轉(zhuǎn)換
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