we know..based on clinical trials为什么不是basing based on his research for the ...

\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u7528based on\u800c\u4e0d\u7528basing on

\u9898\u76ee\u4e2d\u6d89\u53ca\u7684\u95ee\u9898\u5c31\u662f\u975e\u8c13\u8bed\u52a8\u8bcd\u7528\u6cd5\u4e2d\u5206\u8bcd\u7684\u7528\u6cd5\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u533a\u5206\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5224\u65ad\u51fa\u53e5\u4e2d\u5206\u8bcd\u6216\u5206\u8bcd\u77ed\u8bed\u7684\u903b\u8f91\u4e3b\u8bed\uff0c\u4ee5\u53ca\u5206\u8bcd\u4e0e\u903b\u8f91\u4e3b\u8bed\u4e4b\u95f4\u7684\u4e3b\u52a8\u6216\u8005\u88ab\u52a8\u5173\u7cfb\uff0c\u8fdb\u800c\u9009\u62e9\u73b0\u5728\u5206\u8bcd\uff08\u8868\u4e3b\u52a8\uff09\u6216\u8005\u8fc7\u53bb\u5206\u8bcd\uff08\u8868\u88ab\u52a8\uff09\u3002
\u53e5\u4e2d\u7684base on\u903b\u8f91\u4e3b\u8bed\u5c31\u662f\u201cyale\u51b3\u5b9a\u5c06\u6559\u80b2\u673a\u4f1a\u9762\u5411\u5927\u4f17\u201d\u8fd9\u4e00\u4e8b\u5b9e\uff0c\u800c\u201c\u4e8b\u5b9e\u201d\u4e0ebase on\u4e4b\u95f4\u5f88\u660e\u663e\u662f\u88ab\u52a8\u7684\u5173\u7cfb\uff0c\u6240\u4ee5\u7528\u8fc7\u53bb\u5206\u8bcd\u3002
\u4f8b\u5982\uff1a
So based on initial impressions, what does this program do when you run in it? \u903b\u8f91\u4e3b\u8bed\u4e3aprogram\uff0c\u6545\u800c\u7528based on
Basing on the fact, we made this decision. \u903b\u8f91\u4e3b\u8bed\u4e3awe\uff0c\u6545\u800c\u7528basing on\uff0c\u8868\u793a\u4e3b\u52a8

\u79c0\u4e00\u4e0b\u5b8c\u6574\u7684\u53e5\u5b50

\u52a8\u8bcd\u8fc7\u53bb\u5206\u8bcd\u53ef\u4ee5\u505a\u5b9a\u4ece
\u4f8b\u5982\uff1a
The disc, digitally recorded in the studio, sounded fantastic at the party that night\u3002
\u5176\u4e2drecorded\u4e3a\u52a8\u8bcd\u8fc7\u53bb\u5206\u8bcd\u4f5c\u5b9a\u8bed\uff0csounded\u4e3a\u8c13\u8bed\u3002


\u4e5f\u53ef\u4ee5\u5f88\u6b63\u5e38\u7684\u8868\u8ff0

based on 可以看作是how it work的后置定语，说明how is work (is) based on...

因为base这个词是个及物动词，所以用在主动形式时，必须是(we) base A on B.
所以可以说 basing A on B， 或(A is) based on B，但是不能用(A is) basing on B。

所以如果base后面直接跟on的话，base一定是表被动的过去分词形式，而不能是现在分词形式。

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