爱华网If only 引导的从句怎么用？
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
问：_______ I had more money, I could buy thesebooks.
A. Ifany B.If soC. If onlyD. As if该选哪个答案？
答：应该选C. If only。Ifonly引导的从句一般用过去时，或过去完成时，用来表示强烈的愿望或遗憾。有时，也可引导感叹句。本句引导的从句表示强烈的遗憾，因为没有更多的钱，买不了这些书。再比如：If only next month would come! (下个月一到就好了！)
If any不能引导从句，虽然它相当于一个从句，表示“如果真有的话”。比如：There are few, ifany, mistakes in your composition. (你的作文里，即使真有错误，也不多。)
If so也常用来代替整个从句，而不是用来引导从句。比如：Are you free thisafternoon? If so, come and have dinner with me.(下午有空吗？如果有空，来和我一起吃饭。)
As if表示“好像，宛如”，常用虚拟语气。比如：The mountain appearsas if it were covered with snow. (那座山看上去好像被雪所覆盖。)
