为什么“suggest”表示“建议”时，从句中用了“should”就算是虚拟语气呢？ suggest引导的从句为什么要用虚拟语气
\u4e3a\u4ec0\u4e48suggest\u8868\u865a\u62df\u8981\u7528should\u52a0\u52a8\u8bcd\u539f\u5f62\u5462\uff1f\u865a\u62df\u8bed\u6c14\u5305\u62ec\u7528\u5728\u6761\u4ef6\u72b6\u8bed\u4ece\u53e5\u4e2d\u7684\u5047\u8bbe\u865a\u62df\u548c\u540d\u8bcd\u4ece\u53e5\u4e2d\u7684\u610f\u613f\u865a\u62df\u3002\u4f60\u6240\u8bf4\u7684 suggest \u5c31\u662f\u51fa\u73b0\u5bbe\u8bed\u4ece\u53e5\u4e2d\u7684\u610f\u613f\u865a\u62df\u3002
\u5982\u679c\u4e3b\u53e5\u8c13\u8bed\u52a8\u8bcd\u662f\u8868\u793a\u4e3b\u8bed\u5bf9\u67d0\u4ef6\u4e8b\u63d0\u51fa\u7684\u5efa\u8bae\uff08\u5982suggest, advise\uff09\u3001\u8981\u6c42\uff08\u5982 demand, request\uff09\u3001\u547d\u4ee4\uff08\u5982order, command \uff09\u3001\u51b3\u5fc3\uff08\u5982 insist\uff0c purpose\uff09\u7b49\u4e2a\u4eba\u6240\u6301\u7684\u6001\u5ea6\uff0c\u4ece\u53e5\u7684\u8c13\u8bed\u52a8\u8bcd\u9700\u8981\u7528\u201cshould + \u52a8\u8bcd\u539f\u5f62\u201d\uff0c\u6216\u8005\u7701\u7565 should \u76f4\u63a5\u7528\u52a8\u8bcd\u539f\u5f62\u3002\u4f8b\u5982\uff1a
He suggested that we (should ) go out for awalk. \u4ed6\u5efa\u8bae\u51fa\u53bb\u8d70\u8d70\u3002
I demand that John (should) go there at once. \u6211\u8981\u7ea6\u7ff0\u9a6c\u4e0a\u53bb\u90a3\u513f\u3002
I insisted that he (should) come with us. \u6211\u575a\u6301\u8981\u6c42\u4ed6\u548c\u6211\u4eec\u4e00\u8d77\u6765\u3002
\u4e0d\u662f\u90fd\u8981\u7528\u865a\u62df\u554a\uff01
1. \u82e5suggest \u8868\u793a\u201c\u5efa\u8bae\u201d\uff0c\u5219\u5176\u540e\u63a5\u7684 that \u4ece\u53e5\u8c13\u8bed\u901a\u5e38\u7528\u201c(should)+\u52a8\u8bcd\u539f\u5f62\u201d\u8fd9\u6837\u7684\u865a\u62df\u8bed\u6c14\u5f62\u5f0f\u3002\u5982\uff1aI suggested that she should go home. \u6211\u5efa\u8bae\u5979\u56de\u5bb6\u53bb\u3002She suggested that I (should) be the leader. \u5979\u63d0\u8bae\u7531\u6211\u6765\u505a\u9886\u5bfc\u4eba\u3002
2. \u82e5suggest \u8868\u793a\u201c\u6697\u793a\u201c\u201d\u201c\u610f\u6307\u201d\u201c\u8868\u660e\u201d\u7b49\u4e49\uff0c\u5219\u5176\u540e\u63a5\u7684 that \u4ece\u53e5\u8981\u7528\u9648\u8ff0\u8bed\u6c14\u3002\u5982\uff1aWhat he said suggested that he was a cheat. \u4ed6\u8bf4\u7684\u8bdd\u8868\u660e\u4ed6\u662f\u4e2a\u9a97\u5b50\u3002Are you suggesting that I\u2019m not suited for the job? \u4f60\u7684\u610f\u601d\u662f\u8bf4\u6211\u4e0d\u9002\u5408\u505a\u8fd9\u5de5\u4f5c?
在表示建议、要求、命令、想法的动词后的从句里，表示虚拟语气用should + 动词原形。因此suggest that +虚拟语气的用法也就是suggest that+主语+（should）+动词原形。
换句话说，若suggest表示“建议”，后接从句所表示的内容为建议要做的事情，也就是说从句所描述的内容尚未成为事实，此时从句谓语要用虚拟语气，即谓语采用“should+动词原形”，其中的should在美国英语中通常被省略。
如：
I suggest that we (should) have lunch now. 我建议我们现在吃午饭。
He suggested that she (should) come another day. 他建议她改天再来。若宾语从句的内容表示的是已经存在的真实情况，则用陈述语气，此是suggest的意思是“暗示”“表明”“指出”“提出(看法)”等。
如：
His smile suggested that he was satisfied. 他的微笑表明他是满意的。
I’m not suggesting that the accident was your fault. 我并不是说这个事故是你的错。
以上仅供参考，如有错误请多多指教！
若suggest表示“建议”，后接从句所表示的内容为建议要做的事情，也就是说从句所描述的内容尚未成为事实，此时从句谓语要用虚拟语气，即谓语采用“should+动词原形”，其中的should在美国英语中通常被省略。如：
I suggest that we (should) have lunch now. 我建议我们现在吃午饭。
He suggested that she (should) come another day. 他建议她改天再来。若宾语从句的内容表示的是已经存在的真实情况，则用陈述语气，此是suggest的意思是“暗示”“表明”“指出”“提出(看法)”等。如：
His smile suggested that he was satisfied. 他的微笑表明他是满意的。
I’m not suggesting that the accident was your fault. 我并不是说这个事故是你的错。
suggest当建议的意思时，引导的名词性从句要用虚拟语气，也就是should＋动词原形，这里should可以省略
关于suggest+虚拟语气的语法知识点：在表示建议、要求、命令、想法的动词后的从句里，表示虚拟语气用should + 动词原形。因此suggest that +虚拟语气的用法也就是suggest that+主语+（should）+动词原形。should可以省略。
确实，主句谓语动词如果是动词suggest，那么宾语从句往往使用省略should的宾语从句，因为建议不是事实，而是一种非现实的状态，因此英语使用虚拟语气表达。
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绛旓細1銆佺敤娉曚笉鍚 advise鍚庨潰鍔爏omebody (not)to do...濡傦細I advise my father to stop smoking.suggest鍚庨潰蹇呴』鍔爏omebody(鎴栬卻omebody's)doing...濡傦細I suggest my father( father's) stopping smoking.2銆佸眬閮ㄥ惈涔変笉鍚 suggest鏈夋殫绀虹殑鎰忔濓紝advise娌℃湁銆3銆佸悗鎺ュ舰寮忎笉鍚 advise鍚庡彲浠ョ洿鎺ヨ窡浜虹О浠ｈ瘝...
