But ngram for impacted him vs impacted on him shows the version without on is much. Her speech made a profound impact on everyone. Should it always take the preposition on or is it a matter of personal preference?
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Is the preposition in grammatical here?
This change has no impact on the system's current beha.
Nowadays, we often see the word impact being used as a verb. Oxford dictionaries gives the following example: Impact 通常指“ 重大的影响 ”，名词，动词形式都有。 我们先来看 impact: Jacs au将作为jacs的补充，与世界上被引用最多的化学出版物《 jacs》的出色编辑和出版标准相匹配 launching in 2020, this fully open access journal will allow for the rapid.
The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s. This change has no impact in the system's current behaviour. I think we should have used on instead: Is there a grammarians' consensus as to the usage of impact (as a verb)?
Impact (early 17th century) comes from the past form of the same source.
