John thinks it won’t be long ________ he is ready for his new job.
A.whenB.a(chǎn)fterC.beforeD.since
C

試題分析:句意,約翰認(rèn)為要不了多久他就會為新工作做好準(zhǔn)備的。before在此處表示兩件事情發(fā)生相隔時間之長或之短。表示相隔時間之長時,常被翻譯成“過了/要過……后才”;表示相隔時間之短時常被翻譯成“還沒/未/要不了多久就……”。 
點(diǎn)評: 狀語從句在主從復(fù)合句中修飾主句中的動詞、形容詞或副詞等,可分為時間、地點(diǎn)、原因、目的、結(jié)果、條件、方式、比較、讓步等狀語從句。 1.時間狀語從句 由從屬連詞when, whenever, as, while, before, after, till, until, as soon as, hardly...when, no sooner...than, since, the moment/minute/instant, directly, immediately等引導(dǎo)。其中特別需要注意幾點(diǎn): (1)when的特殊用法:be doing when...正在干某事這時……,該句型中when用作并列連詞,表示“那時,這時”。 (2)while的特殊用法:作并列連詞,“而,卻”;作從屬連詞,“盡管”,相當(dāng)于although。 (3)not...until句型的強(qiáng)調(diào)和倒裝用法。 (4)It will be+一段時間+before...多久之后才…… (5)It is+一段時間+since.... (6)It was+具體時間+when... (7)every time, each time, next time, the first time, the moment/minute/instant...等名詞短語引導(dǎo)時間狀語從句,表示“每次……”“下次……”“第一次……”“一……就……”等。 2.地點(diǎn)狀語從句 由where, wherever引導(dǎo),可放在主句前,也可放在主句后,where指“在某一地方”,wherever指“在任何一個地方”。但若表示抽象意義,則從句要放在主句之前。 3.條件狀語從句 一般由if, as long as, unless, once, on condition that以……為條件,supposing/suppose如果/假使, on the understanding that以……為條件,in case以防,only if只要等引導(dǎo)。 4.原因狀語從句 常用的連詞有because, since, as, now (that)既然,seeing that鑒于……,considering that考慮到,由于,in(that) 因?yàn)榈取?5.結(jié)果狀語從句與目的狀語從句 結(jié)果狀語從句通常由so that, so...that, such...that來引導(dǎo);目的狀語從句通常由so that, in order that, in case, for fear
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