Simple Sentences 

In this lesson we learn about simple sentences, which are essential sentences consisting of one independent clause that express a single complete thought. Clear explanations and practice exercises to help you learn.

"Simple Sentences" in the English Grammar

What Is a Simple Sentence?

A simple sentence is a grammatical structure that consists of a single finite clause which expresses a complete thought or idea on its own. It typically contains a subject, which is the person or thing performing the action, and a predicate, which is the verb describing the action together with all its dependents.

Simple Sentences: Structure

Simple sentences do not contain any dependent or subordinate clauses, which means they cannot be divided into smaller sentence structures. Here are some examples of a simple sentence:

Example

I can cook very well.

Sam is my close friend.

He was continuing to manipulate me.

Sam, Liza, and Jane are working at a bank.

This is a simple sentence with a compound subject made up of three simple subjects.

Tip!

All sentences must have at least one independent clause.

Extended Simple Sentences

A simple sentence can be long and complicated, but as long as it has only one subject and one predicate, it is considered a simple sentence. See these examples:

Example

Michael and Sara like cooking and baking but hate washing the dishes and cleaning.

This is still a simple sentence. There are no dependent clauses.

Kamchatka brown bear and Eurasian brown bear feed on blueberries, crowberries, humpback salmon, and steelhead in the summer and eat nuts from nut-pines, mountain ash, and fish in the winter.

Simple Sentences vs. Compound Sentences

A compound sentence has at least two independent clauses. Take the last example. It has one compound subject, therefore it is a simple sentence. Now, imagine the sentence was like this:

Example

Kamchatka brown bear feeds on blueberries, crowberries, humpback salmon, and steelhead, and Eurasian brown bear eats nuts from nut-pines, mountain ash, and fish.

In this example, there are two subjects 'Kamchatka brown bear' and 'Eurasian brown bear,' each with its own predicate. This is an example of a compound sentence, not a simple sentence.

Use of Comma

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Pay attention to the use of commas in the examples above. When the sentence has two separate subjects, you have to separate the two clauses with a comma. But when it is a simple sentence with a single subject, there is no need for commas. Let's see more examples:

Example

Michael likes cooking and loves eating.

one subject → simple sentence → no comma

Michael likes cooking but hates cleaning up.

one subject → simple sentence → no comma

Michael likes cooking, and Sara loves eating.

two separate subjects → compound sentence → comma

Michael likes cooking, but Sara hates cleaning up.

two main clauses with separate subjects → compound sentence → comma

How to Identify a Simple Sentence

To spot a simple sentence, remember the following rules:

Rule #1

A simple sentence has one subject and one finite verb.

Example

Sally prefers to have pineapples and Canadian bacons on her pizza instead of cheese and Buffalo Sauce.

Although this example has a long predicate with lots of modifiers, it still has only one finite verb and one subject and therefore is a simple sentence, because there is just one subject, Sally, and one predicate.

The young artist, inspired by the vibrant colors of the sunset, painted a breathtaking landscape

In this sentence, only the verb "painted" is a finite verb in the past tense and "inspired by the..." is a past participle clause which is a non-finite clause. So, the sentence is simple.

Rule #2

If there is a subordinating conjunction at the beginning of a clause, then the clause is dependent and accordingly, the sentence cannot be simple. For example:

Example

Although Max is a really shy person, he still loves to talk to people and make friends.

The first clause begins with a transition word "although". This clause depends on another clause to make sense, and therefore is incomplete without an independent clause.

Review

To sum up, a simple sentence must have one related subject and one related verb. None of the examples below are simple. They are both examples of compound sentences.

Example

Yesterday is gone, and tomorrow hasn't arrived yet.

I have just today, and I am going to be happy in it.

But these sentences are examples of simple sentences:

Example

I want to join the gym and get in better shape than you.

In wedding ceremonies, brides choose their bridesmaids and honor attendant and host the bridesmaids' luncheon.

Quiz:


1.

Which of the following is a simple sentence?

A

Although she was tired, she finished her homework.

B

She finished her homework and went to bed.

C

She finished her homework, but she was still tired.

D

After she finished her homework, she went to bed.

2.

Which of the following sentences uses a comma correctly?

A

John likes swimming and hiking.

B

John likes swimming but Mary enjoys hiking.

C

John likes swimming, but hates running.

D

John likes swimming, and Mary enjoys hiking.

3.

Match the sentences with their correct structure.

The cat slept on the windowsill.
Sarah and Tom went to the market.
The dog barked loudly and chased the ball.
She had dinner, and then she watched TV.
Simple sentence with a compound subject
Simple sentence with a single subject and predicate
Compound sentence
Simple sentence with a compound predicate
4.

Fill in the blank to complete the sentences based on the content of the lesson. (There are two extra options)

A simple sentence must have one

and one

verb.

A simple sentence can have a compound subject or a compound predicate, but it must still contain only one

clause.

A simple sentence does not contain any

clauses.

If a sentence begins with a

conjunction, it is not a simple sentence because the first clause is dependent.

subject
finite
independent
dependent
subordinating
non-finite
coordinating
5.

Complete the table below by identifying whether each sentence is a simple sentence (Yes) or not a simple sentence (No).

Liam enjoys reading books.

Anna and Jack play tennis and swim every weekend.

She likes coffee, but he prefers tea.

Although she was tired, she continued working.

They traveled to Paris and explored the city.

Birds sing beautifully in the morning.

Yes
No

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