【金識源】九年級英語全冊unit12lifeisfulloftheunexpected（第1課時(shí)）課件-全文預(yù)覽
【正文】 to class ? Pair work, do 2c. Practice. The Past Perfect Tense 過去完成時(shí) 助動(dòng)詞 had (用于各種人稱和數(shù) ) + 過去分詞 When I got to school, the bell had rung. 2. 過去完成時(shí)的用法 : 主要是表示在過去某個(gè)時(shí)間 ,或是動(dòng)作之前 已經(jīng)發(fā)生或完成的動(dòng)作 .也就是 過去的過去 . The Past Perfect Tense 過去完成時(shí) 3. 常用的幾種方式 : 用介詞 by, before 等構(gòu)成的時(shí)間短語 . 用連詞 when, before, after或者短語 by the time 引導(dǎo)的時(shí)間狀語從句 . We had learnt 20 English songs by the end of last month. The plane had taken off when I reached the airport. By the time I got up , my brother had left home. I got home now 9:00pm 8:00pm My little brother went to bed By the time I got home, my little brother had gone to bed By the time I got outside, the bus had already left. By the time I got outside, the bus had already left. 我出去的時(shí)候 ,公共汽車已經(jīng)開走了 . by the time 意思是 “到 … 的時(shí)候” , 相當(dāng)于 when , 后接過去時(shí)的句子 時(shí) , 主語的謂語動(dòng)詞用 過去完成時(shí)態(tài) . 構(gòu)成：助動(dòng)詞 had + 動(dòng)詞的過去分詞 用法： 1. 過去完成時(shí)動(dòng)詞表示過去某一時(shí)間或某一動(dòng)作之前完成的動(dòng)作或狀態(tài)。 He said that he ______________ (see) you before. had seen 2. 到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)了。 had worked had bee
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