you should say thank you when receiving somethingyou should say thank you when （ ）somethingA.receive B.you received C.to receive D.receivingwhen+分词构成的省略结构是什么?这题要是换一种答案是什么
问题描述：
you should say thank you when receiving something
you should say thank you when （ ）something
A.receive B.you received C.to receive D.receiving
when+分词构成的省略结构是什么?这题要是换一种答案是什么
答
you should say thank you when (you are) receiving something.
你应该在你接受某样东西时说谢谢。
答
when you receive something
答
when+【V-ing】=when+主语+V语境时态,典型地省略相同逻辑主语.
when receiving=when you receive（前面有should,这里用一般现在时态）