The company ...in computers.

The company ...in computers.
Your answer:planned a large investigation
Correct answer:has planned a large investment
为什么要加个 has
我怎么总是分不清到底什么时候要用has 没觉得它俩有什么区别

朱雀道 1年前已收到3个回答举报

花影月痕幼苗

共回答了25个问题采纳率：88% 举报

加个has表明现在完成时,意思是这个公司已经计划做一个关于电脑的调查
如果单纯看这个句子不加has也是没错的,如果根据上下文有一种“完成”的意思加has会好点,不过个人觉得这答案太死了,有点鸡蛋里挑骨头的意思
如果我改卷就给你对了

1年前

果果鸟幼苗

共回答了46个问题举报

加HAS是完成时,表示已经计划这个投资了

1年前

随风KisSy0u 幼苗

共回答了16个问题举报

have/has done sth. 一般完成时态
是固定用法，没什么道理的。
你的答案的一般过去时态，表示过去做了某事。一般完成时态是已经完成了某事。

1年前

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