Oxford dictionaries gives the following example: I think we should have used on instead: This change has no impact on the system's current beha.
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My question is, should it be always followed by the preposition on?
Nowadays, we often see the word impact being used as a verb.
Purely aesthetically, i'd prefer impact on, although the transitive form is useful in the passive. Is the preposition in grammatical here? Her speech made a profound impact on everyone. The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s.
Should it always take the preposition on or is it a matter of personal preference? 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. But ngram for impacted him vs impacted on him shows the version without on is much.
This change has no impact in the system's current behaviour.