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选修8 Unit 5（2） If only it could be just like last year! 要是能跟去年那样有多好呀！ if only用来表达愿望，意为“但愿……，要是……就好了”。 ①I had no information about my son.If only I hadn’t_said those tough words to him.还没有我儿子的消息。要是我没对他说那些太严厉的话就好了。 ②If only the whole family could be united during the Spring Festival！今年春节全家能团圆就好了！ 辨析：if only与only if (1)if only中谓语动词要用虚拟语气(与现在事实相反用一般过去时，与过去事实相反用过去完成时)。 (2)only if由副词only和从属连词if组合而成，only仅起强调作用，意为“只要；只有”。 ③I missed the early bus.If only I had got up earlier. 我错过了早班车，要是我早起床就好了。 ④Only if you do as I told you can_you_succeed. 你只有按照我说的去做，你才能成功。 Ⅰ.用if only，only if填空 1．__________________you are aware of the importance of English，can you learn it well. 答案： Only if 2．__________________both sides accept the agreement will a lasting peace be established in this region. | 
