Sentence Diagrams

A Visual Approach to Grammar Instruction and Sentence Diagramming

Annika Wildenradt

Reading time: about 6 min

Do you remember when you were in 6th grade and learned all about sentence diagramming? Most kids are taught to draw a horizontal line and split it into two parts, with the sentence subject on the left and the predicate on the right. Then come the modifiers, hanging diagonally off of the original line, and… well, it only gets more complicated from there.

Traditional Sentence Diagram

I was one of the few students in my class who thoroughly enjoyed diagramming sentences, especially when they were complex. I would stay in the classroom during recess with my friend Maria and my teacher, Ms. Bergen, to practice diagramming “challenge sentences” on the whiteboard.

My classmates would return, confused, to find a board covered in a seemingly nonsensical mess of colorful lines and scribbled words. Now I wonder if there was a better way to help me retain what I learned and get students who weren’t connecting with the material more involved.

Diagramming sentences: is it helpful?

For decades, educators have been debating whether sentence diagramming helps students learn to read and write.

After it was invented in the late nineteenth century, sentence diagramming flourished in the American classroom for about fifty years, alongside other structured grammar-teaching tactics. But then the voice of the skeptics emerged, arguing that sentence diagramming is a useless practice that hinders rather than aids students in their process of learning the English language and claiming that students best learn through imitation and immersion.

While immersion and imitation of a language can produce strong speakers and writers, a basic understanding of grammatical structures can be a powerful writing tool. It can also be a helpful foundation for students to understand new languages. But all of this is only possible if teachers can successfully engage students in the learning process.

Motivating students with visual grammar

So why aren’t students motivated to learn the rules? I think it’s partially because we’re not presenting grammar in a more flexible, creative way at an early age.

One of the easiest ways to get students engaged and provide them with a creative outlet when they’re learning about grammar is to use Lucidchart, a diagramming platform that’s free for students and teachers to use. Lucidchart is a perfect tool for teachers to make grammar visual and provide students with opportunities to express their creativity as they learn the rules. Read on for a fun, engaging lesson plan that grade-school teachers and parents can use to diagram sentences with their students in conjunction with reading and writing lessons.

Here’s a free sentence diagramming template to get you started:

Lucidchart template to categorize parts of speech
Use this free template to diagram sentences (Click on image to modify online)

To see this in the context of an elementary school lesson plan, keep reading! To modify this lesson plan for other grade levels, select age-appropriate texts, and modify the template as needed.

Elementary School Lesson Plan Example: How to Teach Grammar Visually with Dr. Seuss

Because of its repetitive structure, Dr. Seuss’s Green Eggs and Ham is a great book to use to introduce students to grammar basics. Consisting of just 50 unique words, this book follows a simple question-and-answer exchange between two characters—the famous Sam-I-Am and a bitter fellow named Joey whom Sam is trying to convince to eat green eggs and ham. The simple and repetitive sentence structures in this story provide students with a solid framework for understanding and experimentation when it comes to diagramming sentences.

Lesson Objective: Students will be able to categorize parts of speech and build sentence diagrams while exploring grammatical structures.

Part 1: Get to know the text

Before delving into the grammar lesson, help your students become familiar with Green Eggs and Ham by having them read it out loud in pairs. It can be helpful to have one student read the part of Sam and the other the part of Joey. Ask them to pay attention to patterns in the text by presenting the following questions:

  1. What words, or strings of words, are repeated in the text?
  2. What words, or strings of words, are used by Sam and not Joey?
  3. What words, or strings of words, are used by Joey and not Sam?

Green Eggs and Ham

Part 2: Deconstruct sentences

Now that students are familiar with the text and have started to identify patterns through repetition, they’re ready to start categorizing the words by parts of speech.  After a brief refresher on parts of speech, students can drag the words from the sentences into the boxes that correspond with their parts of speech. This exercise helps students practice to recognize parts of speech and serves as helpful preparation for sentence construction.

Lucidchart template to categorize parts of speech
Use this free template to categorize parts of speech (Click on image to modify online)

Part 3: Build sentences with sentence diagrams

In the next part of the lesson, students will be able to diagram their own Dr. Seuss-style sentences to see how the parts of speech fit together. They’ll also be able to learn that English generally follows a consistent sentence structure—noun, auxiliary verb, verb, preposition, article, object.

To do this, students can refer to the third tab of the template where they will find three question-and-answer pairs with certain parts of the sentence that are missing. Encourage students to drag-and-drop various words into the empty spaces to create sentences.

Lucidchart template to diagram sentences
Use this free template to diagram sentences (Click on image to modify online)

Encourage your students to be creative with this part of the lesson, and read the sentences out loud after they compose them to see if they make sense.

If they create nonsensical question-and-answer pairs, make sure they pay attention to why the questions and answers do not make sense. Is it because they have created an unrealistic scenario, such as eating eggs on top of a goat? Or is it because the words do not fit together at all, such as in the question, “would you eat them in a dark?”  As students experiment, they will start to see the value of grammar and putting the correct parts of speech in order when it comes to constructing meaning.

Another good way to help students understand how closely grammar is related to meaning, is by asking them to draw a picture of the scenario they have created. While a picture could easily be drawn of someone riding a goat while eating eggs, it would be difficult to depict someone eating eggs in a dark.

When students become comfortable creating sentences by dragging existing words into the template sentences, you can invite them to fill in the blanks with their own words, and create their own make-believe scenarios to fit with Dr. Seuss’ playful plot. They can then read through their creations in pairs, just as they did when they were reading the book at the beginning of the lesson.

With the help of the interactive Lucidchart platform, the students will excitedly discover that by playing with the formal elements of the English language, they can become storytellers as creative and meaningful as Dr. Seuss!

About the author

San Francisco native and recent English graduate of the University of Michigan, Annika Wildenradt is now working as a content specialist on the customer ops team at Lucid. Outside of work Annika likes to travel, bake pies, write stories for kids, and paint pictures of make-believe creatures and worlds. 

About Lucidchart

Lucidchart, a cloud-based intelligent diagramming application, is a core component of Lucid Software's Visual Collaboration Suite. This intuitive, cloud-based solution empowers teams to collaborate in real-time to build flowcharts, mockups, UML diagrams, customer journey maps, and more. Lucidchart propels teams forward to build the future faster. Lucid is proud to serve top businesses around the world, including customers such as Google, GE, and NBC Universal, and 99% of the Fortune 500. Lucid partners with industry leaders, including Google, Atlassian, and Microsoft. Since its founding, Lucid has received numerous awards for its products, business, and workplace culture. For more information, visit

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