Wayground
Simple Compound Complex Sentence Practice - Printable ELA Worksheets class 9 - Wayground

Simple Compound Complex Sentence Practice

Ashley Morale

Created by Ashley Morale

9 questions

9th - 12th Grade

ELA

Updated Sept 2026

Simple Compound Complex Sentence Practice is a free printable English worksheet for Grades 9–12 that helps students distinguish among simple, compound, and complex sentences. Across nine items, students match sentence-structure terms and definitions, classify example sentences, identify sentence types in multiple-choice questions, and create complex sentences from dependent-clause prompts. The worksheet gives students practice recognizing independent and dependent clauses, phrases, coordinating conjunctions, and subordinating conjunctions. Its open-ended items also require students to decide where a comma belongs when a dependent clause begins or follows the independent clause. Use it for direct instruction, guided practice, independent review, or a quick formative assessment. A complete answer key is included with this free printable worksheet.

Worksheet settings

Font size

S
M
L
XL
WaygroundWorksheets

Simple Compound Complex Sentence Practice

Total questions: 9

Name
Class
Date
1.

Match the words that fit the description of the sentence.

A group of words that contain both a subject and a verb

clause

A ____ clause is a group of words that presents as a complete thought

independent

A ____ clause has a subject and verb, but it does not have enough information to complete a through and cannot stand alone.

dependent

A ____ is a group of words that go together, but it does not contain a subject or verb.

phrase

A ____ sentence has on independent clause and can stand alone as a sentence.

simple

2.

Match the words that fit the description of the sentence.

A simple sentence can have two or more _____ and two or more verbs and still be a simple sentence.

subjects

A simple sentence can have one or more phrases and still be a simple

sentence

A compound sentence has two independent clause joined together by a comma and a _____ conjunction.

coordinating

A _____ sentence is a sentence with one independent clause and one or more dependent clauses.

dependent

Most dependent clauses begin with a ______ conjunction.

subordinating

3.

Organize these options into the right categories

Categorize the following

Turtles lose their first baby tooth before they are an hour old.

Alligators eat rocks to help them digest food.

Flowers bloom in the spring.

Although it was raining, we decided to go for a walk.

Because she studied hard, she passed the exam with flying colors.
Even though he was tired, he finished the project on time.
I wanted to go for a walk, but it started to rain.
She loves to read, and he enjoys writing.
The sun was shining, and the birds were singing.
Simple Sentence
Complex Sentence
Compound Sentence
4.

You will create complex sentences by using the dependent clause below. Make sure you place the comma in the right place if a comma is needed for the sentence.

after I get home from school

4 lines
5.

You will create complex sentences by using the dependent clause below. Make sure you place the comma in the right place if a comma is needed for the sentence.

because I want to do well on the test

4 lines
6.

You will create complex sentences by using the dependent clause below. Make sure you place the comma in the right place if a comma is needed for the sentence.

now that I have completed all my work

4 lines
7.
Which of these is a complex sentence?

Which of these is a complex sentence?

a)

Ms. Zoeller loves to teach 5B, but she also loves to teach 5A!!

b)

Clarissa hates Avatar although Noah really likes it.

c)

Duy-An and Alana made Quizizz for 5B to play during lunch.

d)

Everyone agrees that lunch is their favorite time of the day.

8.
The family, who was eating dinner, was very strange.

The family, who was eating dinner, was very strange.

a)

simple

b)

compound

c)

complex

9.
Which of the following is not a complex sentence?

Which of the following is not a complex sentence?

a)

I am going to watch so many scary movies after getting home from school.

b)

It's difficult to choose my favorite because there are so many good films.

c)

Sometimes I think about becoming a director after I graduate.

d)

Even though I know my chances are slim, I still might try.

WaygroundAnswer Key

Simple Compound Complex Sentence Practice

Total questions: 9

1.

A group of words that contain both a subject and a verb

 - 

clause

, 

A ____ clause is a group of words that presents as a complete thought

 - 

independent

, 

A ____ clause has a subject and verb, but it does not have enough information to complete a through and cannot stand alone.

 - 

dependent

, 

A ____ is a group of words that go together, but it does not contain a subject or verb.

 - 

phrase

, 

A ____ sentence has on independent clause and can stand alone as a sentence.

 - 

simple

2.

A simple sentence can have two or more _____ and two or more verbs and still be a simple sentence.

 - 

subjects

, 

A simple sentence can have one or more phrases and still be a simple

 - 

sentence

, 

A compound sentence has two independent clause joined together by a comma and a _____ conjunction.

 - 

coordinating

, 

A _____ sentence is a sentence with one independent clause and one or more dependent clauses.

 - 

dependent

, 

Most dependent clauses begin with a ______ conjunction.

 - 

subordinating

3.
Simple Sentence

Turtles lose their first baby tooth before they are an hour old.

Alligators eat rocks to help them digest food.

Flowers bloom in the spring.

Complex Sentence

Although it was raining, we decided to go for a walk.

Because she studied hard, she passed the exam with flying colors.
Even though he was tired, he finished the project on time.
Compound Sentence
I wanted to go for a walk, but it started to rain.
She loves to read, and he enjoys writing.
The sun was shining, and the birds were singing.
4.
n/a
5.
n/a
6.
n/a
7.
b)

Clarissa hates Avatar although Noah really likes it.

8.
c)

complex

9.
a)

I am going to watch so many scary movies after getting home from school.

FAQs

What does the Simple Compound Complex Sentence Practice worksheet cover?

This Grade 9–12 English worksheet practices identifying and constructing simple, compound, and complex sentences. Its nine items combine matching definitions, sentence classification, multiple-choice identification, and open-ended writing with dependent-clause prompts, so students apply both terminology and sentence-structure rules.

How can I use this worksheet to teach simple, compound, and complex sentences?

Begin by reviewing independent clauses, dependent clauses, phrases, coordinating conjunctions, and subordinating conjunctions, then use the two matching sections to check vocabulary and definitions. Have students explain why the examples in the classification section belong in each sentence category before completing the open-ended prompts, where they build complex sentences and determine comma placement.

What mistakes should I watch for when students complete this sentence-structure worksheet?

Students may classify a sentence by its length rather than by its clauses, or mistake a phrase for a clause because it does not contain both a subject and a verb. In the writing items, watch for incomplete sentences made from the dependent-clause prompts and for missing commas after an introductory dependent clause; students may also confuse compound sentences joined with a coordinating conjunction with complex sentences containing a dependent clause.

How do I assign and grade this worksheet?

You can assign Simple Compound Complex Sentence Practice as a printable PDF or as a digital quiz on Wayground. The worksheet includes a complete answer key, and printable submissions can be graded by scanning student work with the Wayground for Teachers app. The printable format can also support schools that are reducing screen time.

How do the open-ended questions build sentence-writing skills?

The three open-ended items give students a dependent clause such as “after I get home from school” or “because I want to do well on the test” and require them to add an independent clause. Students must also decide whether a comma is needed based on the placement of the dependent clause, moving from recognizing sentence types to constructing complete complex sentences.

Where can I find more worksheets like this on Wayground?

Wayground offers a broad collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to support mastery of essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.