Nowadays, we often see the word impact being used as a verb. Impact (early 17th century) comes from the past form of the same source. Impact 通常指“ 重大的影响 ”，名词，动词形式都有。 我们先来看 impact:
Judy McFarlin Obituary (1948 2023) Fresno, CA Fresno Bee
I think we should have used on instead:
Purely aesthetically, i'd prefer impact on, although the transitive form is useful in the passive.
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? Her speech made a profound impact on everyone. Is the preposition in grammatical here?
This change has no impact in the system's current behaviour. Is there a grammarians' consensus as to the usage of impact (as a verb)? This change has no impact on the system's current beha. But ngram for impacted him vs impacted on him shows the version without on is much.
Oxford dictionaries gives the following example:
