英语中什么时候用三单 在英语中什么时候用单三形式？
\u82f1\u8bed\u4ec0\u4e48\u65f6\u5019\u7528\u4e09\u5355\u201c\u4e09\u5355\u201d\u5373\uff0c\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\uff0c\u662f\u6307he she it
\u5f53\u53e5\u5b50\u7684\u4e3b\u8bed\u662f\u8fd9\u4e09\u4e2a\u5355\u8bcd\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\uff0c\u6216\u662f\u5355\u72ec\u7684\u7b2c\u4e09\u4eba\u79f0\uff0c\u5982\u4eba\u540dMike \u7b49\uff0c\u5176\u76f8\u5bf9\u5e94\u7684\u4f4d\u4e8e\u52a8\u8bcd\u540e\u9762\u8981\u6709\u76f8\u5e94\u7684\u53d8\u5316\uff0c\u5982\u52a0s \u6216es \u7b49\u3002
\u6ce8\u610f\uff0c\u6709\u4e9b\u52a8\u8bcd\uff0c\u5f53\u5176\u5728\u53e5\u5b50\u4e2d\u5bf9\u5e94\u7684\u4e3b\u8bed\u662f\u201c\u5355\u4e09\u201d\u4e5f\u4e0d\u9700\u8981\u6709\u53d8\u5316\uff0c \u5982put\u8fd9\u4e2a\u52a8\u8bcd\u3002
\u5f52\u7eb3\u4e00\u4e0b\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u7684\u7528\u6cd5\uff1a
\u4e00\u3001\u4eba\u79f0\u4ee3\u8bcdhe, she, it\u662f\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
He likes watching TV. \u4ed6\u559c\u6b22\u770b\u7535\u89c6\u3002
She has lunch at twelve. \u5979\u5341\u4e8c\u70b9\u5403\u5348\u9910\u3002
It looks like a cat. \u5b83\u770b\u8d77\u6765\u50cf\u53ea\u732b\u3002
\u4e8c\u3001\u5355\u4e2a\u4eba\u540d\u3001\u5730\u540d\u6216\u79f0\u547c\u4f5c\u4e3b\u8bed\uff1b\u662f\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
\u2460Han Mei looks like her mother. \u97e9\u6885\u770b\u8d77\u6765\u50cf\u5979\u7684\u6bcd\u4eb2\u3002
\u2461Beijing is in China. \u5317\u4eac\u5728\u4e2d\u56fd\u3002
\u2462Uncle Wang often makes cakes. \u738b\u53d4\u53d4\u7ecf\u5e38\u505a\u86cb\u7cd5\u3002
\u4e09\u3001\u5355\u6570\u53ef\u6570\u540d\u8bcd\u6216"this/that/the+\u5355\u6570\u53ef\u6570\u540d\u8bcd"\u4f5c\u4e3b\u8bed\u65f6\uff0c\u662f\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
\u2460A horse is a useful animal. \u9a6c\u662f\u6709\u7528\u7684\u52a8\u7269\u3002
\u2461This book is yours. \u8fd9\u672c\u4e66\u662f\u4f60\u7684\u3002
\u2462That car is red. \u90a3\u8f86\u5c0f\u6c7d\u8f66\u662f\u7ea2\u8272\u7684\u3002
\u2463The cat is Lucy's. \u8fd9\u53ea\u732b\u662f\u9732\u831c\u7684\u3002
\u56db\u3001\u4e0d\u5b9a\u4ee3\u8bcdsomeone, somebody, nobody, everything, something\u7b49\u53ca\u6307\u793a\u4ee3\u8bcdthis, that\u4f5c\u4e3b\u8bed\u65f6\uff0c\u662f\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
\u2460Everyone is here. \u5927\u5bb6\u5230\u9f50\u4e86\u3002
\u2461There is something wrong with the watch. \u8fd9\u5757\u624b\u8868\u6709\u6bdb\u75c5\u3002
\u2462This is a pen. \u8fd9\u662f\u4e00\u652f\u94a2\u7b14\u3002
\u2463That is an eraser. \u90a3\u662f\u4e00\u5757\u6a61\u76ae\u64e6\u3002
\u4e94\u3001\u4e0d\u53ef\u6570\u540d\u8bcd\u4f5c\u4e3b\u8bed\u65f6\u4e3a\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
\u2460The milk is in the glass. \u725b\u5976\u5728\u73bb\u7483\u676f\u91cc\u3002
\u2461The bread is very small. \u90a3\u9762\u5305\u5f88\u5c0f\u3002
\u516d\u3001\u5f53\u6570\u5b57\u6216\u5b57\u6bcd\u4f5c\u4e3b\u8bed\u65f6\uff0c\u770b\u4f5c\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u5982\uff1a
\u2461"I" is a letter. "I"\u662f\u4e2a\u5b57\u6bcd\u3002
\u5728\u82f1\u8bed\u4e2d\u4ec0\u4e48\u65f6\u5019\u7528\u5355\u4e09\u5f62\u5f0f\uff1a
\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u3002\u7b2c\u4e09\u4eba\u79f0\u6709she\he\it \u8fd8\u6709\u540d\u5b57\uff08Mary\u3001Jack\uff09\u3002\u5355\u6570\u5c31\u662f\u6307\u53ea\u6709\u4e00\u4e2a\u4eba\uff0c\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u8c13\u8bed\u52a8\u8bcd\u8981\u7528\u5355\u6570\u5f62\u5f0f\u3002
\u4f8b\u5982\uff1a
Nate often takes a walk after dinner\u3002\uff08\u4ed6\u4eec\u7ecf\u5e38\u996d\u540e\u6563\u6b65\u3002\uff09
This is a beautiful girl\u3002\uff08\u90a3\u662f\u4e00\u4f4d\u6f02\u4eae\u59d1\u5a18\u3002\uff09
He looks happy\uff01\uff08\u4ed6\u770b\u8d77\u6765\u5f88\u5feb\u4e50\uff01\uff09
\u5728\u82f1\u8bed\u4e2d\u4ec0\u4e48\u65f6\u5019\u7528\u5355\u4e09\u5f62\u5f0f\u7684\u5ef6\u4f38\uff1a
\u5355\u4e09\u5f62\u5f0f \uff1aHe does his homework everyday. \uff08\u4ed6\u6bcf\u5929\u90fd\u505a\u4f5c\u4e1a\uff09\u4e00\u822c\u7684\u60c5\u51b5\u4e0b\u7528\u5355\u4e09
ing\u5f62\u5f0f \uff1aHe is doing his homework now. \uff08\u73b0\u5728\u6b63\u5728\u505a\u529f\u8bfe\uff09\u7528\u73b0\u5728\u8fdb\u884c\u65f6
\u8fc7\u53bb\u5f0f \uff1aHe did his homework yesterday.\uff08\u6628\u5929\u505a\u4e86\u4f5c\u4e1a\uff09 \u4ee5\u524d\u7684\uff0c\u5c31\u7528\u8fc7\u53bb\u65f6
\u5c06\u6765\u5f0f\uff1a He will do his homework tomorrow. \uff08\u660e\u5929\u8981\u505a\u4f5c\u4e1a\uff09\u4ee5\u540e\u7684\uff0c\u5c31\u7528\u5c06\u6765\u65f6
people 是集合名词。人们。本来就是复数意义，动词不用单数。
主语是三人称单数,或不可数名词,或表示整体的单数意义时;
同时时态是一般现在时,就用三单.
当只有一个的时候 还有表示一个 她他它 的时候
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绛旓細褰撲富璇槸绗笁浜虹О鐨勬椂鍊锛岃偗瀹氬彞涓皳璇姩璇浣跨敤涓夊崟褰㈠紡锛岀枒闂彞鍜屽惁瀹氬彞涓姪鍔ㄨ瘝浣跨敤涓夊崟褰㈠紡銆備緥锛欻e likes English.He doesn't like English.Does he like English?绗笁浜虹О鍖呮嫭he, she, it, they浠ュ強鍙互鐢╤e, she, it, they浠ｆ浛鐨勮瘝锛屾瘮濡俆om, my mother, the book, Tom and ...
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