How to Write Complex Sentences


Write Complex Sentences
Write Complex Sentences

 Mastering Complex Sentences: A Guide with Examples


In the realm of grammar and syntax, complex sentences are a fascinating and essential topic to explore. They add depth and variety to your writing, making it more engaging and coherent. Understanding how to construct complex sentences is a valuable skill for any writer or communicator. In this blog post on the Learn Special English website, we will delve into the world of complex sentences, providing you with clear explanations and real-life examples to help you grasp this concept with confidence.

What Is a Complex Sentence?

A complex sentence is a sentence that consists of an independent clause and one or more dependent clauses. These clauses are combined to form a single sentence that conveys a complete thought. The key components of a complex sentence are:

1. Independent Clause: 

This clause can stand alone as a complete sentence because it contains a subject and a predicate, expressing a complete thought.

2. Dependent Clause: 

Also known as a subordinate clause, this clause cannot stand alone as a complete sentence. It depends on the independent clause to make sense and contributes additional information to the sentence.

Let's explore this concept further with examples.

Examples of Complex Sentences

1. After I finish my work (dependent clause), I will join you for lunch (independent clause).

   In this example, the dependent clause "After I finish my work" provides context and time-related information, while the independent clause "I will join you for lunch" conveys the main idea.

2. Although it was raining heavily (dependent clause), they decided to go for a hike (independent clause).

   The dependent clause "Although it was raining heavily" introduces a contrasting condition, while the independent clause "they decided to go for a hike" presents their decision in response to that condition.

3. Since I studied diligently (dependent clause), I aced the exam (independent clause).

   The dependent clause "Since I studied diligently" explains the reason or cause, leading to the result mentioned in the independent clause, "I aced the exam."

4. While I was reading a book (dependent clause), the thunderstorm raged outside (independent clause).

   The dependent clause "While I was reading a book" sets the scene or background for the action described in the independent clause, "the thunderstorm raged outside."

Simple past and past continuous Complex sentences
Simple past and past continuous Complex sentences

A complex sentence in the simple past
A complex sentence in the simple past

A complex sentence in the present simple
A complex sentence in the present simple

Compound-complex sentences
Compound-complex sentences

Why Use Complex Sentences?

Complex sentences serve several important functions in writing and communication:

1.  Enhanced Clarity: 

Complex sentences allow you to provide additional information and context to your readers, making your writing more precise and clear.

2. Expressive Writing: 

They offer a way to convey complex ideas and relationships between different parts of a sentence, adding depth to your writing.

3. Variety and Flow:

 Using a variety of sentence structures, including complex sentences, keeps your writing interesting and engaging. It prevents monotony and enhances the flow of your text.

4. Showcase Sophistication:

 In academic and professional writing, complex sentences demonstrate a higher level of language proficiency and can help you convey your ideas more persuasively.

Tips for Constructing Complex Sentences

To create effective complex sentences, consider these tips:

1. Punctuation: 

Use appropriate punctuation, such as commas, semicolons, and conjunctions (e.g., although, because, while), to connect the clauses correctly.

2. Clarity: 

Ensure that the relationship between the clauses is clear to your readers. Each dependent clause should contribute meaningfully to the overall message.

3. Vary Sentence Length: 

While complex sentences are valuable, don't overuse them. Mix in shorter sentences for balance and readability.

4. Practice: 

The more you practice constructing complex sentences, the more comfortable you will become with using them effectively in your writing.


Complex sentences are versatile tools that can elevate your writing to a new level. By combining independent and dependent clauses skillfully, you can convey complex ideas, add nuance to your writing, and engage your readers. Remember to practice and use these sentences judiciously to achieve the best results in your communication and writing endeavors.

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