比较if only与only if
<p> <span word="only">only</span> <span word="if">if</span>表示只有;<span word="if">if</span> <span word="only">only</span>则表示如果……就好了。<span word="If">If</span> <span word="only">only</span>也可用于陈述语气。</p><p> <span word="I">I</span> <span word="wake">wake</span> <span word="up">up</span> <span word="only">only</span> <span word="if">if</span> <span word="the">the</span> <span word="alarm">alarm</span> <span word="clock">clock</span> <span word="rings">rings</span>. 只有闹钟响了,我才会醒。</p><p> <span word="If">If</span> <span word="only">only</span> <span word="the">the</span> <span word="alarm">alarm</span> <span word="clock">clock</span> <span word="had">had</span> <span word="rung">rung</span>. 当时闹钟响了,就好了。</p><p> <span word="If">If</span> <span word="only">only</span> <span word="he">he</span> <span word="comes">comes</span> <span word="early">early</span>. 但愿他早点回来。</p></p>
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