leading to a believe that现在完成时态的话有没有错误？ 现在完成时详细讲解
\u4e00\u822c\u8fc7\u53bb\u5f0f\u548c\u73b0\u5728\u5b8c\u6210\u65f6\u7684\u533a\u522b\uff1f1\u3001\u8fc7\u53bb\u5f0f\uff1a\u65f6\u95f4\u70b9\u53ea\u5728\u8fc7\u53bb (time of the action is known\uff0c \u77e5\u9053\u4f55\u65f6\u53d1\u751f)
\u73b0\u5728\u5b8c\u6210\uff1a\u65f6\u95f4\u70b9\u4ece\u8fc7\u53bb\u5230\u73b0\u5728 (time of the action is unknow, \u4e0d\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u53d1\u751f)
\u4f8b\uff1a\u8fc7\u53bb\u5f0f\uff1a TVXQ released their first single "HUG" in 2002. \u4e1c\u65b9\u795e\u8d77\u57282002\u5e74\u53d1\u8868\u4e86\u4ed6\u4eec\u7684\u7b2c\u4e00\u5f20\u5355\u66f2 (\u4ed6\u4eec\u73b0\u5728\u53ef\u80fd\u5df2\u7ecf\u53d1\u8868\u4e86\u7b2c\u4e09\uff0c\u7b2c\u56db\u5f20\u5355\u66f2\u4e86\uff0c\u7eaf\u7cb9\u662f\u60f3\u8868\u8fbe\u4ed6\u4eec\u57282002\u5e74\u53d1\u8868\u7b2c\u4e00\u5f20\u5355\u66f2\uff0c\u8ddf\u73b0\u5728\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb) \u3002
\u73b0\u5728\u5b8c\u6210\u5f0f\uff1a TVXQ have released their first single "HUG" (\u4ed6\u4eec\u53d1\u8868\u4e86\u7b2c\u4e00\u5f20\u5355\u66f2\uff0c\u4ed6\u4eec\u73b0\u5728\u5728\u4e3a\u5355\u66f2\u5ba3\u4f20\uff0c\u5f00\u7b7e\u5531\u4f1a\uff0c\u4e0a\u7535\u53f0\uff0c\u4e0a\u8282\u76ee\uff0c\u8fd8\u5728\u4e3a\u8fd9\u5f20\u5355\u66f2\u5c3d\u5fc3\u5c3d\u529b\uff09\u3002
2\u3001\u4e00\u822c\u8fc7\u53bb\u65f6\u4e0e\u5177\u4f53\u7684\u8868\u793a\u8fc7\u53bb\u65f6\u95f4\u72b6\u8bed\u5982\uff1ayesterday\u8fde\u7528\uff1b\u5f3a\u8c03\u52a8\u4f5c\u5728\u8fc7\u53bb\u53d1\u751f,\u4e0e\u73b0\u5728\u65e0\u5173\uff1b\u73b0\u5728\u5b8c\u6210\u65f6\u4e0e\u81ea\u5df2\u7684\u7279\u5f81\u8bcd\u8fde\u7528,\u5f3a\u8c03\u8fc7\u53bb\u53d1\u751f\u7684\u52a8\u4f5c\u5bf9\u73b0\u5728\u7684\u5f71\u54cd\u6216\u8fc7\u53bb\u5f00\u59cb\u53d1\u751f\u4e00\u76f4\u6301\u7eed\u5230\u73b0\u5728\u7684\u52a8\u4f5c.
\u4f8b\uff1aHe saw the film last night. (\u8fc7\u53bb\u65f6,\u8868\u793a\u4ed6\u6628\u665a\u770b\u8fc7\u90a3\u90e8\u7535\u5f71\u4e86,\u73b0\u5728\u4e0d\u77e5\u8fd8\u8981\u4e0d\u8981\u518d\u770b\u4e00\u6b21)\u3002
He has (ever) seen the film before.\uff08\u73b0\u5728\\u5b8c\u6210\u65f6,\u8868\u65f6\u4ed6\u5df2\u770b\u8fc7\u90a3\u90e8\u7535\u5f71,\u73b0\u5728\u4e0d\u60f3\u518d\u770b\u4e86\uff09\u3002
\u6269\u5c55\u8d44\u6599
\u7528\u4e8e\u73b0\u5728\u5b8c\u6210\u65f6\u7684\u53e5\u578b\uff1a
1\u3001It is the first / second time?. that?\u7ed3\u6784\u4e2d\u7684\u4ece\u53e5\u90e8\u5206\uff0c\u7528\u73b0\u5728\u5b8c\u6210\u65f6\u3002
It is the first time that I have visited the city.
It was the third time that the boy had been late.
2\u3001This is the? that?\u7ed3\u6784,that \u4ece\u53e5\u8981\u7528\u73b0\u5728\u5b8c\u6210\u65f6\u3002
This is the best film that I've (ever) seen.\u8fd9\u662f\u6211\u770b\u8fc7\u7684\u6700\u597d\u7684\u7535\u5f71\u3002
This is the first time (that) I've heard him sing.\u8fd9\u662f\u6211\u7b2c\u4e00\u6b21\u542c\u4ed6\u5531\u6b4c\u3002
3\u3001\u73b0\u5728\u5b8c\u6210\u65f6\u4e0d\u80fd\u5355\u72ec\u4e0e\u51c6\u786e\u65f6\u95f4\u72b6\u8bed\u8fde\u7528\uff0c\uff08\u5982\u8868\u793a\u8fc7\u53bb\u7684\u65f6\u95f4\u72b6\u8bed\uff09\u5982\uff1ayesterday(morning/afternoon),last(morning\u3001afternoon\uff09\u7b49\uff0c\u9664\u975e\u4e0efor,since\u8fde\u7528\u3001
4\u3001\u73b0\u5728\u5b8c\u6210\u65f6\u5f80\u5f80\u540c\u8868\u793a\u4e0d\u786e\u5b9a\u7684\u8fc7\u53bb\u65f6\u95f4\u72b6\u8bed\u8fde\u7528\u5982already\uff08\u80af\u5b9a\u53e5\u4e2d\uff09\u3001yet\uff08\u5426\u5b9a\uff0c\u7591\u95ee\uff0c\u53e5\u672b\uff09\u3001just\u3001before\u3001recently\u3001still\u3001lately\u3001never\u7b49\u3002
He has already obtained a scholarship.\u4ed6\u5df2\u7ecf\u83b7\u5f97\u4e86\u4e00\u4efd\u5956\u5b66\u91d1\u3002
I haven't seen much of him recently (lately).\u6211\u5df2\u7ecf\u5f88\u4e45\u6ca1\u6709\u770b\u5230\u4ed6\uff08\u6700\u8fd1\u7684\uff09\u3002
\u8d85\u9177\u7684\u73b0\u5728\u5b8c\u6210\u65f6\u8bed\u6cd5\u8bb2\u89e3
扩展阅读：xbox series x ... baba is you ... a dance of fire and ice ... consequently ... do you know da wae ... we happy few ... macbook air pro ... appointment ... relies on ...
