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unit5meetingyourancestorsperiod2learningaboutlanguageusinglanguage課件人教版選修8-資料下載頁(yè)

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【導(dǎo)讀】3.____________追溯到……4.____________代表;為了……就好了,由于,欣慰地。[例句仿寫(xiě)]ifonly但愿;要是……語(yǔ),表示事與愿違或出乎意料的結(jié)果。[例句仿寫(xiě)]他沖到學(xué)校門(mén)口,卻發(fā)現(xiàn)門(mén)已鎖上。這次會(huì)議具有歷史意義。你能否解釋電腦發(fā)明的重要性?2020年是中國(guó)歷史上具有重大意義的一年。significantadj.有意義的;意味深長(zhǎng)的;一個(gè)理論無(wú)論多好,不實(shí)際也是毫無(wú)意義的。他看起來(lái)一點(diǎn)也不重視我們的問(wèn)題。很少有人認(rèn)識(shí)到這一發(fā)現(xiàn)的重要性。

  

【正文】 多好啊! If only you had e to help us yesterday! 你要是昨天來(lái)幫我們就好了! If only they were here now, we would be able to celebrate their wedding ,我們就能慶祝他們的結(jié)婚紀(jì)念日了。 1. If only it could be just like last year!要是像去年 (那樣 )就 好了! (1)if only常常用來(lái)表達(dá)強(qiáng)烈的愿望或遺憾,因此,主要用在虛擬語(yǔ)氣中,用以表達(dá)強(qiáng)烈的愿望或非真實(shí)條件。所在的句子表示與現(xiàn)在事實(shí)相反時(shí)用一般過(guò)去時(shí),表示與將來(lái)事實(shí)相反用過(guò)去將來(lái)時(shí),表示與過(guò)去事實(shí)相反用過(guò)去完成時(shí)。 If only she could have lived a little longer. 要是她能活得再長(zhǎng)一些該多好啊! (2)if only從句在大多數(shù)情況下用作虛擬條件句,但是偶爾也可用在真實(shí)條件句中。 He will succeed if only he does his best. 只要他竭盡全力,他就會(huì)成功。 【 比較網(wǎng)站 】 if only/only if if only 要是 …… 就好了。常引導(dǎo)虛擬條件句,偶爾也用在真實(shí)條件句中。 only if 只有 …… 。引導(dǎo)真實(shí)條件從句。 If only I were as clever as you! 要是我像你一樣聰明該多好??! I told him he would succeed only if he tried hard. 我告訴他,只有努力才能成功。 【 感悟高考 】 He had his camera ready________he saw something that would make a good picture. (2020山東 , 28) A. even if B. if only C. in case D. so that 解析 句意:他準(zhǔn)備好了相機(jī),以便他看到好的東西就隨時(shí)拍下來(lái)。 even if“即使 ”,引導(dǎo)讓步狀語(yǔ)從句; if only“如果 …… 就好了 ”,引導(dǎo)虛擬條件句; so that引導(dǎo)目的和結(jié)果狀語(yǔ)從句。由句意可知應(yīng)選 in case,意為 “以防萬(wàn)一 ”。 答案 C worked harder! A. If only B. Only if C. When D. How 解析 句意:我很難過(guò)我考試不及格。要是我學(xué)習(xí)再努力些就好了! if only要是 …… 就好了。后常跟虛擬語(yǔ)氣。 答案 A 【 單項(xiàng)填空 】 ① I am sorry I have failed in the had he understand Shakespeare. A. If only B. Only if C. Unless D. When 解析 句意:只有一個(gè)讀過(guò)大量英文詩(shī)歌的外國(guó)人才能理解莎士比亞。 only+從句放句首,主句倒裝。 答案 B ② ________a foreigner has read much English poetry can 句中 “had done...when...”是一個(gè)常用句型,意為 “(剛 )做完了 …… 就在那時(shí) ……” 。 I had not been reading for half an hour when I heard someone call my name. 我剛剛看了半個(gè)小時(shí)的書(shū),就聽(tīng)到有人叫我的名字。 They had almost reached the shore when a watchman spotted them. 2. She had almost reached her destination when a delicious smell arrested her progress and she 地的時(shí)候,一陣香氣撲鼻,她停下來(lái),不往前走了。 他們快到河岸的時(shí)候,一個(gè)警戒員發(fā)現(xiàn)了他們。 when作并列連詞,表 “當(dāng) …… 的時(shí)候,突然 ……”( = and then。 at that time),構(gòu)成的句型有: was/were doing sth when... 正在做 …… 突然 …… was/were about to do sth when... 正將做 …… 突然 …… had almost done sth when... 將要做完 …… ,就 …… ;快要做完 …… 就 …… was/were on the point of doing sth when... 剛要做某事,突然 …… 當(dāng) when表此意義時(shí),其后可用上 suddenly一詞,表突然插入的一個(gè)動(dòng)作。 I had hardly entered my room when the telephone rang. = Hardly had I entered my room when the telephone ,電話就響了。 He was on the point of leaving when (suddenly) someone knocked at the 。 I was on the way to school when(suddenly) I saw a boy fall into the river. 在上學(xué)路上,我突然看到個(gè)男孩掉進(jìn)河里。 【 完成句子 】 ① I________ ________ ________the door________he came in. 我剛一開(kāi)門(mén),他就進(jìn)來(lái)了。 ② He________still________ ________the door opened and his wife came in. 他正笑著的時(shí)候,門(mén)突然開(kāi)了,他妻子走了進(jìn)來(lái)。 ③ We________ ________ ________ ________ ________(suddenly) it began to rain. 我們剛要出發(fā)就開(kāi)始下雨了。 答案 ① had hardly opened; when ② was; smiling when ③ were about to start when
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