how soon与how long的区辨
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\u636e\u56de\u7b54\u53ef\u4ee5\u77e5\u9053\u662f\u4e00\u6bb5\u65f6\u95f4\uff08\u53ea\u6709\u4e00\u5468\uff09\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u4f60\u7684\u95ee\u9898\u4e3b\u8981\u5728B\u3001D\u5206\u4e0d\u6e05\uff0cB\u7684\u610f\u601d\u662f\u201c\u591a\u5feb\u201d\uff0c\u8bbe\u5b9a\u4e00\u4e2a\u573a\u666f\u7684\u8bdd\u53ef\u4ee5\u662f\uff1ab\u5e72**\u4e8b\u60c5\u5f88\u5feb\uff0ca\u611f\u53f9\u8bf4\uff1a\u591a\u5feb\u554a\uff01How soon you are !\u53ef\u4ee5\u7528\u5728\u611f\u53f9\u53e5\u4e2d\u7684\uff0c\u5b83\u5f3a\u8c03\u65f6\u95f4\u7684\u77ac\u95f4\u8fc5\u901f\uff0cHow soon can you be ready?(\u4f60\u4ec0\u4e48\u65f6\u5019\u80fd\u51c6\u5907\u597d\uff09\uff0c\u5b83\u7684\u56de\u7b54\u5462\u4e5f\u4e00\u822c\u662f\u526f\u8bcd\u7c7b\u6bd4\u5982very fast \uff0c\u5176\u5b9e\u5f88\u5c11\u7528\u5b83\u6765\u63d0\u95ee\u7684\uff0c\u8fd9\u91cc\u7684"\u5f88\u5feb"\u5f97\u548chow fast\u533a\u5206\uff0c\u540e\u8005\u53ef\u6307\u8fdb\u884c\u5feb\u901f\u884c\u52a8\u7684\uff0c\u5feb\u3001\u8fc5\u901f\uff0c\u4f46\u5f88\u5c11\u4f1a\u5728\u4e00\u8d77\u51fa\u73b0\u8003\u540c\u5b66\u4eec\u3002
D\u95ee\u7684\u662f\u591a\u957f,\u5b83\u7684\u56de\u7b54\u4e00\u822c\u4e3a\u5177\u4f53\u7684\u65f6\u95f4\u6bb5\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u65f6\u95f4\u6027\u540d\u8bcd
\u4e0d\u77e5\u9053\u591f\u5177\u4f53\u4e0d\uff1f
如：I'll finish it in two hours.→How soon will you finish it?
2. how long的意思有两个。
1）一是“多长”，问的是物体的长度。
如：How long is the table?
2) 二是“多久”，问的是时间的持续，即时间段，要求谓语动词一般是延续性动词。对句子时态没有要求，只不过用完成时较多。
如：How long will you stay here?
How long have you stayed here?
how soon多长时间？只对时间提问。
how long多长？既可询问时间，又可询问距离的长短
how soon后通常用的介词是in+一段时间
how long后通常是频率比如一年一次,usually often什么的
how soon是表将来时间 how long既表时间长度又表时间段
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