since后加句子用什么时态，加现代完成时还是一般过去时 during 一般用于什么时态，是一般过去时还是现在完成时？
since\u540e\u52a0\u73b0\u5728\u5b8c\u6210\u65f6\u548c\u4e00\u822c\u8fc7\u53bb\u65f6\u7684\u533a\u522b\u7b2c\u4e00\u53e5\uff1a
\u4ece\u4ed6\u4e0d\u5728\u90a3\u91cc\u5de5\u4f5c\u5f00\u59cb\u5230\u73b0\u5728\uff0c\u5df2\u7ecf\u6709\u4e09\u5e74\u4e86\u3002
\u7b2c\u4e8c\u53e5\uff1a
\u4ed6\u5728\u90a3\u91cc\u5de5\u4f5c\u5df2\u7ecf\u4e09\u5e74\u4e86\u3002
\u52a0\u73b0\u5728\u5b8c\u6210\u65f6\uff0c\u610f\u601d\u662f\u5df2\u7ecf\u505c\u6b62\u4e86\u76f8\u5173\u52a8\u4f5c\uff1b
\u52a0\u4e00\u822c\u8fc7\u53bb\u65f6\uff0c\u610f\u601d\u662f\u8fd9\u4e2a\u52a8\u4f5c\u6301\u7eed\u4e86\u591a\u957f\u65f6\u95f4\u3002
during + \u65f6\u95f4
\u8868\u793a\u5728\u67d0\u6bb5\u65f6\u95f4\u91cc\u3002\u3002\u3002
\u5e38\u7528\u4f5c\u73b0\u5728\u5b8c\u6210\u65f6\u6001\u7684\u65f6\u95f4\u72b6\u8bed \uff0111
\u73b0\u5728\u5b8c\u6210\u65f6\u6001\u5e38\u63a5\u7684\u65f6\u95f4\u72b6\u8bed \uff1a
\u5982so far,by now,up to(till)now,for,since, in the past few\u2026,during the last few\u2026\u7b49. We have planted more than two thousand trees by now
\u3000\u73b0\u5728\u5b8c\u6210\u65f6\u7531\u201chave/has+\u8fc7\u53bb\u5206\u8bcd\u201d\u6784\u6210\uff0c\u4e3b\u8981\u6709\u4e24\u4e2a\u542b\u4e49\uff1a
\u3000\u3000\u2460\u8868\u793a\u52a8\u4f5c\u53d1\u751f\u5728\u8fc7\u53bb\uff0c\u4f46\u4e0e\u73b0\u5728\u7684\u60c5\u51b5\u6709\u8054\u7cfb\uff0c\u6709\u65f6\u65e0\u65f6\u95f4\u72b6\u8bed\uff0c\u6709\u65f6\u548c\u4e00\u4e9b\u8868\u793a\u4e0d\u786e\u5b9a\u7684\u8fc7\u53bb\u65f6\u95f4\u72b6\u8bed\u8fde\u7528\uff0c\u5982\uff1amany times\uff0cjust\uff0cyet\uff0cever\uff0cnever\uff0cjust\uff0calready\uff0cbefore\uff0cso far, by now\u7b49\u8fde\u7528\u3002
\u3000\u3000\u2461\u8868\u793a\u4ece\u8fc7\u53bb\u67d0\u4e00\u65f6\u95f4\u5f00\u59cb\u4e00\u76f4\u5ef6\u7eed\u5230\u73b0\u5728\u5e76\u8fd8\u53ef\u80fd\u7ee7\u7eed\u5ef6\u7eed\u4e0b\u53bb\u7684\u52a8\u4f5c\uff0c\u7528\u4e8e\u5ef6\u7eed\u6027\u52a8\u8bcd\uff0c\u4e14\u53e5\u4e2d\u5e38\u5e26\u6709\u8868\u793a\u4e00\u6bb5\u65f6\u95f4\u7684\u65f6\u95f4\u72b6\u8bed\uff0c\u5982\uff1asince + \u65f6\u95f4\u70b9/\u4ece\u53e5\uff0cfor two months, so far\u7b49\u3002
I have known him ever since I was a child.
我自孩提时代起就已经认识他了。
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since：自从 后用一般过去时
一般结构为 since + 一般过去时的句子，如：I have watched TV since i got home.
since + 过去的某个时间点，如：I have come back since ten days ago.
通常since后加一般过去时句子作状语从句，主句用现在完成时
since 还有其他的意思，如：因为。那时具体问题要具体分析。
那要看since 在这个句子中是什么意思了。
一般过去式
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绛旓細since鍓嶏紙涓诲彞锛夌敤鐜板湪瀹屾垚鏃鏃舵侊紝since鍚锛堜粠鍙ワ級鐢ㄤ竴鑸繃鍘绘椂鏃舵併俿ince锛屼綔浠嬭瘝鏃舵剰涓衡滆嚜鈥︹︿互鍚庘濓紱浣滆繛璇嶆椂鎰忎负鈥滆嚜...浠ユ潵鈥濓紱浣滃壇璇嶆椂鎰忎负鈥滆嚜鈥︹︿互鍚庯紱姝ゅ悗鈥濈瓑锛泂ince閫氬父鐢ㄤ簬寮曞鏃堕棿鐘惰浠庡彞锛岃〃绀轰粠杩囧幓鐨勪竴涓椂闂寸偣寮濮嬶紝涓鐩村埌鐜板湪鎴栨煇涓壒瀹氱殑鏃堕棿鐐广俿ince寮曞鐨勪粠鍙ョ殑璋撹鍔ㄨ瘝鍙互...
绛旓細since鍚庨潰璺銆愯繃鍘荤殑鏃堕棿鐐广戯紝鍙ュ瓙鏃舵佺敤銆愮幇鍦ㄥ畬鎴愭椂銆戙俿ince鍚庨潰涔熷彲浠ヨ窡銆愪粠鍙ャ戯紝浠庡彞鏃舵佺敤銆愪竴鑸繃鍘绘椂銆戯紝涓诲彞鏃舵佺敤銆愮幇鍦ㄥ畬鎴愭椂銆戙俧or鍚庨潰璺熴愭椂闂存 銆慱锛屽彞瀛愭椂鎬佸彲鐢ㄣ愮幇鍦ㄥ畬鎴愭椂銆戯紝涔熷彲浠ョ敤銆愪竴鑸繃鍘绘椂 銆戠瓑澶氱鏃舵
绛旓細since 寮曞鐨勪粠鍙ョ敤涓鑸繃鍘绘椂锛屼富鍙ョ敤鐜板湪瀹屾垚鏃躲侷 have worked here since I came here two years ago.
绛旓細鐜板湪瀹屾垚鏃
