Which example demonstrates a correct use of a split infinitive?

A split infinitive occurs when an adverb is inserted between "to" and the verb it accompanies, which can create emphasis or clarity in a sentence. Among the provided choices, the example that correctly demonstrates a split infinitive is one that places an adverb between "to" and the verb, forming a construction that enhances or clarifies the action being described.

In this case, the correct answer shows a clear and straightforward structure without inserting an adverb into the infinitive form "to attend," which preserves the integrity of the infinitive. However, it does not feature the split infinitive form.

The choice that effectively illustrates a split infinitive is not identified here, but the emphasis on clarity or the intended action would indeed be key in using a split infinitive successfully. By correctly identifying the adverb placement, a writer can convey the intended meaning effectively. The need for clarity and emphasis when using adverbs in infinitive forms can influence the decision to engage in split infinitives, thus enhancing the overall communication of the message.