Ch 5: ACT English: Sentence Structure

About This Chapter

Train your brain for the English portion of the ACT with this chapter's engaging lessons on sentence structure. What is a misplaced modifier? How do you write a transition sentence? Prep for the exam and answer all of these questions with over an hour of video lessons and 8 quizzes to check your understanding.

ACT English: Sentence Structure - Chapter Summary

The lessons will guide you in writing various types of sentence constructions and show examples of problem sentence structures. Review the following topics in this chapter:

  • Independent and dependent clauses
  • Misplaced and dangling modifiers
  • Parallelism
  • Sentence fragments, run-on sentences and comma splices
  • Writing and using transition sentences

The practice lessons show ACT testing examples and provide practice in successful sentence structuring. Review all the topics through short video lessons and prepare to correctly answer sentence structure questions in the ACT English test.

ACT English Objectives

Through the 75-question, 45-minute English portion of the ACT, you can demonstrate readiness for college-level courses. These English lessons include six essential elements for effective writing tested within the ACT:


  • Sentence Structure
  • Punctuation
  • Grammar and Usage

Rhetorical Skills

  • Style
  • Organization
  • Strategy

The sentence structure portion makes up 24% of the English ACT test. Questions check for understanding pertaining to the relationships between clauses, construction shifts and the placement of modifiers. Some exam questions refer to specific underlined sentence constructions, while other questions may appear at the end of passages. The results for the English test include usage/mechanics and rhetorical skills sub-scores.

8 Lessons in Chapter 5: ACT English: Sentence Structure
Independent & Dependent Clauses: Subordination & Coordination

1. Independent & Dependent Clauses: Subordination & Coordination

This lesson is about independent and dependent clauses, and how they make up a sentence. Dependent clauses, like the name suggests, rely on other elements in a sentence. Independent clauses, on the other hand, can stand alone. Learn more in this lesson.

ACT English Practice: Clauses

2. ACT English Practice: Clauses

Clauses are like the building blocks of a sentence. In this lesson, you'll learn how to manage the different types of clauses with some guided practice problems.

What Are Misplaced Modifiers and Dangling Modifiers?

3. What Are Misplaced Modifiers and Dangling Modifiers?

I have this recurring nightmare where all my modifiers are misplaced or dangling and everybody's laughing at me. Don't let this happen to you! Learn why modifiers are important and why putting them in the right place is even more so.

ACT English Practice: Misplaced Modifiers

4. ACT English Practice: Misplaced Modifiers

Not knowing how to use modifiers properly, this lesson will help you figure it all out - including what's wrong with this sentence! Walk through three examples with explanations, and then try it yourself on the quiz.

Parallelism: How to Write and Identify Parallel Sentences

5. Parallelism: How to Write and Identify Parallel Sentences

Sentences that aren't parallel sound funny, even if they look perfectly correct at first glance. Learn what makes a sentence parallel, how to revise a sentence to make it parallel, and how to write beautiful, balanced sentences of your own.

Sentence Fragments, Comma Splices and Run-on Sentences

6. Sentence Fragments, Comma Splices and Run-on Sentences

Sentence fragments, comma splices, and run-on sentences are grammatical and stylistic bugs that can seriously derail an otherwise polished academic paper. Learn how to identify and eliminate these errors in your own writing here.

How to Write and Use Transition Sentences

7. How to Write and Use Transition Sentences

Like a road map, transitions guide readers through your essay. This lesson examines the way writers transition between sentences, within paragraphs and between paragraphs to make for a smooth reading experience.

ACT English Practice: Sentence Construction

8. ACT English Practice: Sentence Construction

Without proper sentence construction, your writing will be unclear, not to mention incorrect! Get some practice with ACT sentence construction questions here.

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