III. Complex Sentences

Subordination is the way that English uses to combine clauses to make complex sentences. In this method, one clause is considered more important, i.e. the main idea. One or more additional clauses are added to that main clause. But, these additional clauses are not considered of equal importance -- they are subordinate. The main clause is called an independent clause. The other clause is called a subordinate or a dependent clause. Dependent clauses do not exist on their own. The combination is called a complex sentence.

Complex sentences use subordinating words ( such as after, although, as, because, before, if, since, when, where, etc.) as well as relative pronouns ( such as that, who, whom, whose, which, etc.) to join sentence parts. A complex sentence is made up of one independent clause and at least one subordinate clause.

Task 3 : Complex Sentences

Analyze the following sentences using the marking system described in Task 1. In addition, put ** to the left of the subordinating words. Add { } around the words of the subordinate clauses.

ExampleThe book that he bought for his psychology class cost $50.
The [S book] {** that [S he] [V bought] for his psychology class} [V cost] $50.

Note: make sure you insert ONE space after **.

1. He does it only because he finds it easy.

2. The biggest problem about treatment seeking is the tendency of many people who always delay the pursuit of needed professional consultation.

3. The importance of physical attractiveness was dramatically demonstrated in a study in which male and female freshmen were invited to a dance where their dates had supposedly been selected by a computer.

4. Although most parents are happy with their decision to have children, the fact remains that the arrival of the first child represents a major life transition for most couples.

5. In 1500, a Chinese scholar actually attempted space flight when he built a rocket chair and lit gunpowder under it in the hope of flying to the moon.


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