英语句子什么时候用am. is. are.was.were什么时候不用详解求高人谢谢吖 英语句子中什么时候用BE动词什么时候用DO

am is are was were\u7684\u7528\u6cd5\u662f\u4e0d\u662f\u57fa\u672c\u4e00\u6837\u5416 \u53ea\u662f\u7528\u5728\u4e0d\u540c\u65f6\u6001\u7684\u53e5\u5b50\u7f62\u4e86 \u5bf9\u5417 \u6240\u6709\u7684\u590d\u6570\u90fd\u662f\u4e0d\u662f\u5e94\u8be5\u7528

\u5bf9\u5440
\u5b83\u4eec\u90fd\u5c5e\u4e8e be \u52a8\u8bcd\u8fd9\u4e2a\u5927\u5bb6\u5ead\u7684

\u5728\u4e00\u822c\u73b0\u5728\u65f6\u91cc\uff0c\u4f60\u4e00\u5b9a\u8981\u627e\u5230\u53e5\u5b50\u7684\u8c13\u8bed\u90e8\u5206\u6216\u8868\u8bed\u90e8\u5206\u3002\u6240\u8c13\u8c13\u8bed\u5c31\u662f\u4e3b\u8bed\u6240\u53d1\u51fa\u7684\u52a8\u4f5c\uff1b\u8868\u8bed\u5c31\u662f\u80fd\u8bf4\u660e\u4e3b\u8bed\u7279\u5f81\u7684\u540d\u8bcd\u6216\u5f62\u5bb9\u8bcd\u3002\u5f53\u4f60\u627e\u5230\u4e86\u53e5\u5b50\u4e2d\u7684\u52a8\u8bcd\uff0c\u5c31\u77e5\u9053\u5b83\u7684\u7591\u95ee\u5f62\u5f0f\u548c\u5426\u5b9a\u5f62\u5f0f\u8981\u4f7f\u7528do\u6216does(\u4e3b\u8bed\u662f\u7b2c\u4e00\u4eba\u79f0I\uff0c\u7b2c\u4e8c\u4eba\u79f0you,\u53ca\u5176\u4ed6\u7684\u590d\u6570\u540d\u8bcd\u3001\u4eba\u79f0\u4ee3\u8bcd\u65f6\uff0c\u8981\u9009\u7528do;\u4e3b\u8bed\u4e3a\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u65f6\uff0c\u9009\u7528does.)\u5982\u679c\u53e5\u5b50\u4e2d\u6ca1\u6709\u52a8\u8bcd\uff0c\u53ea\u6709\u540d\u8bcd\u6216\u5f62\u5bb9\u8bcd\uff0c\u5c31\u8981\u4f7f\u7528am\is\are\u4e86\u3002\uff08\u6211\u7528am\u4f60\u7528are,is\u7528\u4e8e\u4ed6\u5979\u5b83\u3002\uff09

\uff08\u4e00\uff09\u6784\u6210\u4e00\u822c\u7591\u95ee\u53e5\uff0c\u4f8b\u5982\uff1aDo you want to pass the CET?\u3000\u4f60\u60f3\u901a\u8fc7\u5927\u5b66\u82f1\u8bed\u6d4b\u8bd5\u5417\uff1f
\uff08\u4e8c\uff09 do + not \u6784\u6210\u5426\u5b9a\u53e5\uff0c\u4f8b\u5982\uff1aIn the past, many students did not know the importance of English.\u3000\u8fc7\u53bb\uff0c\u597d\u591a\u5b66\u751f\u4e0d\u77e5\u9053\u82f1\u8bed\u7684\u91cd\u8981\u6027\u3002
(\u4e09\uff09\u6784\u6210\u5426\u5b9a\u7948\u4f7f\u53e5\uff0c\u4f8b\u5982\uff1aDon't be so absent-minded.\u3000\u4e0d\u8981\u8fd9\u4e48\u5fc3\u4e0d\u5728\u7109\u3002\u8bf4\u660e\uff1a \u6784\u5426\u5b9a\u7948\u4f7f\u53e5\u53ea\u7528do\uff0c\u4e0d\u7528did\u548cdoes\u3002
\uff08\u56db\uff09\u653e\u5728\u52a8\u8bcd\u539f\u5f62\u524d\uff0c\u52a0\u5f3a\u8be5\u52a8\u8bcd\u7684\u8bed\u6c14\uff0c\u4f8b\u5982\uff1aDo come to my birthday party.\u3000\u4e00\u5b9a\u6765\u53c2\u52a0\u6211\u7684\u751f\u65e5\u5bb4\u4f1a\u3002
\uff08\u4e94\uff09 \u7528\u4e8e\u5012\u88c5\u53e5\uff0c\u4f8b\u5982\uff1aOnly when we begin our college life do we realize the importance of English.\u53ea\u6709\u5728\u5f00\u59cb\u5927\u5b66\u751f\u6d3b\u65f6\u6211\u4eec\u624d\u8ba4\u8bc6\u5230\u82f1\u8bed\u7684\u91cd\u8981\u6027\u3002\u8bf4\u660e\uff1a \u5f15\u5bfc\u6b64\u7c7b\u5012\u88c5\u53e5\u7684\u526f\u8bcd\u6709never, seldom, rarely, little, only, so, well\u7b49\u3002
\uff08\u516d\uff09\u7528\u4f5c\u4ee3\u52a8\u8bcd\uff0c\u4f8b\u5982\uff1aDo you like Beijing?\u3000--\u4f60\u559c\u6b22\u5317\u4eac\u5417\uff1fYes, I do.\u3000--\u662f\u7684\uff0c\u559c\u6b22\u3002\uff08do\u7528\u4f5c\u4ee3\u52a8\u8bcd\uff0c\u4ee3\u66fflike Beijing.\uff09He knows how to drive a car, doesn't he?\u4ed6\u77e5\u9053\u5982\u4f55\u5f00\u8f66\uff0c\u5bf9\u5427\uff1f
\u6269\u5c55\u8d44\u6599\uff1a\u201cBe\u201d\u9664\u4e86\u539f\u5f62\u7684\u201cbe\u201d\u4e4b\u5916,\u8fd8\u6709\u53e6\u5916\u4e03\u79cd\u5f62\u5f0f\uff1aam, is, are, been, being, was, were.
\u8981\u770b\u8bed\u53e5\u7684\u65f6\u6001:
\u5982\u679c\u662f\u4e00\u822c\u8fc7\u53bb\u65f6,\u5c31\u7528was/were\u3002
\u5982\u679c\u662f\u4e00\u822c\u73b0\u5728\u65f6,\u5c31\u7528am/is/are\u3002
\u5982\u679c\u662f\u4e00\u822c\u5c06\u6765\u65f6,\u5c31\u7528will be\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1\u2014be\u52a8\u8bcd

am是第一人称，也就是“我”的后面用；is是第三人称单数，也就是他、她 、它的后面用；are是用在“你”的后面，也用在复数后面，也就是“他们”的后面。am /is /are是用于两种语态。第一种是陈述事实。比如我是个学生，天空是蓝色的。I am a student ./The sky is blue.表示这是什么什么；第二种是用在现在进行时，就是表示现在正在做什么，比如妈妈正在喝水，我正在看电视。Mom is drinking water. /I am watching TV. was和were是is和are的过去式。表示过去的一种状态。was表示单数（“我”的后面用was）比如，当我还是个小男孩的时候，我就知道真相了。When I was a little boy ，I kenw the truth.第二种情况是表示过去现在进行时，表示过去的某个时候正在做什么，比如你打给我的时候，我正在睡觉。When you called me ，I was sleeping。

现在时：am , is ,are ；搭配方式有：I am, he/she is , they/you are
过去式：was， were; 搭配方式有：I was ,you/they were

根据主语，时态，语态，句中结构，语气……多方面因素决定

我用am，你用are,is跟着他她它

I am He、She is I、He、She was You were

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