Complex Sentences

English Language: KS3, topic 3.8.5

Complex Sentences

The other type of sentence you need to know is called a complex sentence. This is how you make a complex sentence...

1) Start with a simple sentence

1) Start with a simple sentence

  • Simple sentence - I heated my food in the microwave.
  • This simple sentence is also called an independent clause. It's called an independent clause because it's a sentence that makes sense by itself.
2) Add a dependent clause

2) Add a dependent clause

  • A dependent clause is a clause that does NOT make sense by itself. It's called a dependent clause because it depends on another clause to make sense.
  • We will add a dependent clause on the next slide...
Dependent clause, then a simple sentence

Dependent clause, then a simple sentence

  • Because it was cold, I heated my food in the microwave.
  • The clause in bold is the dependent clause. The clause does not make sense by itself - we need more information to understand what's going on.
  • This is now a complex sentence.
Definition of a complex sentence

Definition of a complex sentence

  • So a complex sentence is a sentence that contains an independent clause and at least 1 dependent clause.

Examples of Complex Sentences

You have already learned how to make a complex sentence. Remember - a complex sentence contains an independent clause and at least 1 dependent clause. Let's now look at some more examples of complex sentences...

Sentence about being late

Sentence about being late

  • Although I left the house earlier than normal, I was late for school.
  • The first part of the sentence is the dependent clause.
  • The second part of the sentence is the independent clause.
Sentence about a storm

Sentence about a storm

  • After the storm hit, the town was ruined.
  • The first part of the sentence in bold is the dependent clause.
  • The second part of the sentence is the independent clause.
Sentence about a ballerina

Sentence about a ballerina

  • Jemima went to ballet class, even though she could not find her shoes.
  • The first part of the sentence is the independent clause.
  • The second part of the sentence in bold is the dependent clause.
Sentence about playing basketball

Sentence about playing basketball

  • Now that he is so tall, James is good at basketball.
  • The first part of the sentence in bold is the dependent clause.
  • The second part of the sentence is the independent clause.
Sentence about rain

Sentence about rain

  • Since it is raining, I will not go outside.
  • The first part of the sentence in bold is the dependent clause.
  • The second part of the sentence is the independent clause.

Test yourself on Complex Sentences

  • How do you Make a Complex Sentence?

  • What is the grammatical term for a clause that does not make sense by itself?

  • Which part of this sentence is the independent clause?

    Although I was late, my teacher was in a good mood.

  • Which of these are complex sentences?

  • What is a complex sentence?

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