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bell rang. 我們剛剛?cè)胨?,鈴聲就響了起來? ? ( 2 ) He was on the point of leaving when someone knocked at the door. 他剛要走就有人敲門。 ? B. when 分句前面的分句使用 was ( were) about to, was ( were) on the point 等。 ? 如: ( 1 ) He was still smiling when the door opened and his wife came in. 他正笑著的時候,門突然開了,他妻子走了進(jìn)來。 ? 2. 表示前面的敘述所沒有提到過的信息。 ? 如: ( 1 ) When I was in Japan, I bought some beautiful pearls. 我在日本時,買了一些漂亮的珍珠。 ? ( 2 ) When you have finished your experiment, please tidy the lab and put everything back in the cupboards. 當(dāng)你們做完實驗后,請把實驗室整理好并把物品放回柜子中。 ? A. 在時間、條件等狀語從句里,用一般現(xiàn)在時表示將來時;當(dāng)需要表達(dá)將來完成的意義時,必須使用現(xiàn)在完成時來代替。 ? ( 3 ) The instant I saw him I knew he was my brother. 我一看到他就知道他是我兄弟。 ? 如: ( 1 ) The first time I went to China, I visited Beijing. 我第一次來中國就游覽了北京。 ? 在某些含有“時間”的名詞詞組后面,由于該名詞不表示時間,或整個名詞詞組已用作連詞,所以不用 when 引導(dǎo)。 ? 如: ( 1 ) His mother died on the evening that he was born. 他母親死于他出生的那晚。 ? ( 3 ) Considering ( the time) when these paintings were done, they are in excellent condition. 考慮到這些油畫的創(chuàng)作時期,它們保存的狀況是極好的。 ? 如: ( 1 ) The days are gone forever when the Chinese people were looked down upon. 中國人民被人輕視的日子一去不復(fù)返了。( when 引導(dǎo)主語從句) ? ( 4 ) Have you decided when to go sightseeing? 你們已經(jīng)決定什么時候去郊游了嗎?( when 引導(dǎo)不定式結(jié)構(gòu)) ? 3. 作疑問代詞,常和介詞 since, till, up to 等連用,意為“什么時候”。( when 引導(dǎo)賓語從句) ? ( 2 ) Can you tell me when the bank opens? 你能告訴我銀行什么時候開門嗎?( when 引導(dǎo)賓語從句) ? ( 3 ) When she39。 ? 如: ( 1 ) I39。clock, at five past ten 等 ? 2. 作連接副詞,引導(dǎo)名