Should it always take the preposition on or is it a matter of personal preference? Nowadays, we often see the word impact being used as a verb. Her speech made a profound impact on everyone.
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Impact (early 17th century) comes from the past form of the same source.
Oxford dictionaries gives the following example:
But ngram for impacted him vs impacted on him shows the version without on is much. Purely aesthetically, i'd prefer impact on, although the transitive form is useful in the passive. Is there a grammarians' consensus as to the usage of impact (as a verb)? The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s.
My question is, should it be always followed by the preposition on? 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. Impact 通常指“ 重大的影响 ”，名词，动词形式都有。 我们先来看 impact: This change has no impact in the system's current behaviour.
Is the preposition in grammatical here?
