This collection of worksheets will teach your students how to diagram short sentences correctly.

In order to diagram sentences correctly, students must have a good grasp of the parts of speech and their functions within a sentence. The following activity sheets will help your students learn how to identify the most important parts of a sentence, and place them on diagrams depending on their roles within that sentence. Sentences range from very simple to slightly complex. Answer keys have been provided for each activity sheet for instructors.

Fun Project Idea: Have your students team up and choose famous movie quotes, sentences from favorite books, or advertising slogans, then challenge other teams to diagram them.

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Print Diagram Sentences Worksheets

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Subjects and Predicates

Read each sentence below. Identify the subject and the predicate. Place each word on the diagram.

Beginning Diagramming

Identify any other nouns (N), pronouns (P), articles (A), adjectives (ADJ) or adverbs (ADV).

Simple Compound Sentences

Identify the verb. Identify the subject. Then draw a line between each subject and its verb.


Place the words from each sentence on the diagram provided.

Fishy Sentences

Everything is fish related in this set of sentences.

Simple Subjects and Predicates

When you diagram sentences, write the subject and predicate on a line, with a line between them, like this: I wonder.

Sentence Diagrams

Match each diagram with the sentence it belongs to. Then fill in the diagrams with the words from the sentences.

Diagramming Appositives

An appositive is a noun or pronoun that identifies another noun or pronoun in a sentence. To diagram a sentence with an appositive, place the appositive immediately after the word it identifies, and enclose it in parentheses.

Diagramming Compound Subjects, Predicates and Objects

Mom and Dad planted vegetables and grew flowers with Tim and Joe.

Nouns and Verbs

Read each sentence below. Identify the verb. Identify the subject. Then draw a line between the subject and the verb.


Match each sentence to its correct diagram.

Recognizing Subjects and Predicates

For each sentence, write the subject and predicate on the line provided. Draw a line between the subject and the predicate.

Subject Compliments

Diagram the subject, linking verb, predicate adjective and any articles and adjectives in each sentence.

Infinitives Used as Nouns

When diagramming a sentence in which an infinitive is used as a noun, the infinitive goes in the same place that the noun would normally go.

Diagramming Adjectives and Adverbs

Diagram the following sentences in the space provided. Use the correct form.