observe sb. do 用作被动时是否变为sb.be observed to do?(也就是说有to 吗？） be observed 的用法

observe sb todo\u8fd8\u662f do

observe sb do sth
\u8fd9\u4e2a\u8868\u793a\u89c2\u5bdf\u67d0\u4eba\u505a\u67d0\u4e8b\u7684\u6574\u4e2a\u8fc7\u7a0b\uff0c\u5c31\u662f\u6307\u6709\u610f\u8bc6\u5730\u53bb\u89c2\u5bdf\u522b\u4eba\u505a\u67d0\u4e8b\u3002
observe sb doing sth \u5219\u6307\u65e0\u610f\u5730\uff0c\u6070\u597d\u770b\u5230\u67d0\u4eba\u6b63\u5728\u505a\u67d0\u4e8b

\u53d7\u5bc6\u5207\u5173\u6ce8.\u89c1\u4e0b\u9762\u4f8b\u53e5\uff1a
Patients should be observed for possible coagulopathy when large tumor
\u53e6\u6709\u8f83\u5c11\u89c1\u7684\u7528\u6cd5\uff1a
It is a night to be observed for the LORD for having brought them out from the land of Egypt; this night is for the LORD
\u8fd9\u591c\u662f\u8036\u548c\u534e\u7684\u591c\u3001\u56e0\u8036\u548c\u534e\u9886\u4ed6\u4eec\u51fa\u4e86\u57c3\u53ca\u5730\u3001\u6240\u4ee5\u5f53\u5411\u8036\u548c\u534e\u8c28\u5b88\u3001\u662f\u4ee5\u8272\u5217\u4f17\u4eba\u4e16\u4e16\u4ee3\u4ee3\u8be5\u8c28\u5b88\u7684.

对。OBSERVE SB.DO STH. 比较： sb is observed to do sth.
这也是的：sb is made TO DO sth.比较：make sb.do sth.

有

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