Consider the following sentence:
The SuperAPI is the API that can be used to configure a Higher-Order model.
When this sentence exists in a Microsoft® Office 365 Word document, the grammar checking functionality flags the fragment, "that can be used," as passive. How would I rewrite this as an active-voice sentence?
However, Grammarly.com does not complain about this. I see plenty of examples using the sentence fragment, "that can be used," in describing the proper grammatical formation of active-voice phrases! (For example, see this page on the online MacPhaidin Library website in which exists, "Semicolons are one type of punctuation that can be used to link two independent clauses together."
I believe ignoring the warning doesn't diminish the strength of the containing document. If it does, what rule guides me in rewriting this into an active-voice version?