which sentences contain split infinitives check all that apply

2 min read 09-03-2025

Which Sentences Contain Split Infinitives? Check All That Apply

Many writers and grammar enthusiasts debate the use of split infinitives. A split infinitive occurs when an adverb is placed between "to" and the base verb in an infinitive phrase. While some style guides frown upon them, others consider them perfectly acceptable, especially when they improve clarity or flow. Let's look at some examples and determine which sentences contain split infinitives.

Understanding Split Infinitives

Before we dive into examples, let's define what constitutes a split infinitive. A standard infinitive takes the form "to + verb" (e.g., to run, to eat, to sleep). A split infinitive inserts an adverb between the "to" and the verb (e.g., to quickly run, to happily eat, to soundly sleep). The question of whether to split an infinitive often comes down to style and readability. Sometimes, a split infinitive can make a sentence sound more natural and less awkward.

Examples to Analyze

Below are several sentences. Determine which ones contain split infinitives and why. Remember to check all that apply.

Sentence 1: He decided to carefully consider all options.

Sentence 2: She wanted to completely finish the project by Friday.

Sentence 3: They attempted to boldly go where no one had gone before.

Sentence 4: I need to immediately respond to this email.

Sentence 5: We plan to thoroughly clean the house this weekend.

Sentence 6: He promised to always be honest.

Sentence 7: It's important to truly understand the instructions.

Sentence 8: She learned to perfectly execute the dance routine.

Sentence 9: They hoped to quickly escape the burning building.

Sentence 10: He agreed to simply answer the questions.

Identifying the Split Infinitives

Let's review the sentences and identify the split infinitives. A split infinitive occurs when an adverb interrupts the "to" and the verb in an infinitive phrase.

Sentences with Split Infinitives: Sentences 1, 2, 3, 4, 5, 7, 8, and 9 all contain split infinitives. In each case, an adverb ("carefully," "completely," "boldly," "immediately," "thoroughly," "truly," "perfectly," "quickly") is placed between "to" and the main verb.
Sentences without Split Infinitives: Sentences 6 and 10 do not contain split infinitives. In Sentence 6, "always" modifies the entire verb phrase ("to be honest"), not just "be." Similarly, in Sentence 10, "simply" modifies the verb "answer," and its placement doesn't disrupt the infinitive structure.

The Debate Continues

The debate surrounding split infinitives highlights the complexities of grammar. While some argue that split infinitives are grammatically incorrect, others believe that prioritizing clarity and natural language flow is more important. Ultimately, the decision of whether or not to split an infinitive often depends on the specific context and the desired stylistic effect. However, understanding what constitutes a split infinitive is a crucial first step in making informed stylistic choices.

Further Considerations

When deciding whether to split an infinitive, consider the following:

Clarity: Does splitting the infinitive improve the clarity of the sentence?
Flow: Does it make the sentence sound more natural and less awkward?
Style Guide: Some style guides prefer avoiding split infinitives; others are more lenient. Check the specific style guide relevant to your writing.

By carefully considering these points, you can make informed decisions about whether to split an infinitive in your own writing. Remember, the ultimate goal is to communicate your ideas clearly and effectively.

which sentences contain split infinitives check all that apply