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young boy that he can?t go to school. 條件狀語(yǔ)從句連接詞主要有 if, unless, as/so long as, on condition that 等。 if 引導(dǎo)的條件句有真實(shí)條件句和非真實(shí)條件句兩種。非真實(shí)條件句已在虛擬語(yǔ)氣中闡述。 unless = if not. Let39。s go out for a walk unless you are too tired. If you are not too tied, let39。s go out for a walk. 典型例題: You will be late ___ you leave immediately. A. unless B. until C. if D. or 答案 A。 句意:除非你立即走,否則你就回遲到的。 可轉(zhuǎn)化為 If you dong leave immediately, you will be late. B、 D句意不對(duì), or表轉(zhuǎn)折,句子如為 You leave immediately or you will be late. 讓步狀語(yǔ)從句 though, although 注意: 當(dāng)有 though, although時(shí),后面的從句不能有 but,但是 though 和 yet可連用。例如: Although it39。s raining, they are still working in the ,但他們?nèi)栽诘乩锔苫睢? He is very old, but he still works very ,但仍然努力地工作。 Though the sore be healed, yet a scar may remain. 傷口雖愈合,但傷疤留下了。 (諺語(yǔ)) 典型例題: ( 1) ___she is young, she knows quite a lot. A. When B. However C. Although D. Unless 答案: C。 意為雖然她很年輕,卻知道許多。 ( 2) as, though 引導(dǎo)的倒裝句 as / though引導(dǎo)的讓步從句必須表語(yǔ)或狀語(yǔ)提前(形容詞、副詞、分詞、實(shí)義動(dòng)詞提前)。例如: Child as /though he was, he knew what was the right thing to do. = Though he was a small child, he knew what was the right thing to do. 注意: 何冠詞。 ,其他助動(dòng)詞放在主語(yǔ)后。如果實(shí)義動(dòng)詞有賓語(yǔ)和狀語(yǔ),隨實(shí)義動(dòng)詞一起放在主語(yǔ)之前。例如: Try hard as he will, he never seems able to do the work satisf