sábado, 10 de octubre de 2020

Sentence Structure

 

1. What is Sentence Structure?

A sentence’s “structure” is the way its words are arranged.

In English, we have four main sentence structures: the simple sentence, the compound sentence, the complex sentence, and the compound-complex sentence. Each uses a specific combination of independent and dependent clauses to help make sure that our sentences are strong, informational, and most importantly, that they make sense!

 

2. Examples of Sentence Structures

In the examples, independent clauses are green, dependent clauses are purple, and conjunctions are orange. Here are examples of each type of sentence:

  1. The dog ran.                                                                                    Simple Sentence
  2. The dog ran and he ate popcorn.                                                    Compound sentence
  3. After the dog ranhe ate popcorn.                                                   Complex sentence
  4. After the dog ranhe ate popcorn and he drank a big soda.           Compound-complex sentence

 

3. Parts of Sentence Structures

All forms of sentence structures have clauses (independent, dependent, or both), and some also have conjunctions to help join two or more clauses or whole sentences.

a. Independent Clause

Independent clauses are key parts of every sentence structure. An independent clause has a subject and a predicate and makes sense on its own as a complete sentence. Here are a few:

  • The dog ate brownies.
  • The dog jumped high.
  • She ate waffles.
  • He went to the library.

So, you can see that all of the clauses above are working sentences. What’s more, all sentences have an independent clause!

 

b. Dependent (Subordinate) Clause

dependent clause is a major part of three of the four sentence structures (compound, complex, and compound-complex).  It has a subject and a predicate; BUT, it can’t be a sentence. It provides extra details about the independent clause, and it doesn’t make sense on its own, like these:

  • After he went to the party
  • Though he ate hotdogs
  • While he was at the dance
  • If the dog eats chocolate

Each of the bullets above leaves an unanswered question. By itself, a dependent clause is just a fragment sentence (an incomplete sentence). So, it needs to be combined with an independent clause to be a sentence.

 

c. Conjunction

conjunction is a word in a sentence that connects other words, phrases and clauses. Conjunctions are a big part of compound, complex, and compound-complex sentences. The most common conjunction that you know is “and.” Others are forbut, or, yet, and so. Conjunctions are important because they let us combine information, but still keep ideas separate so that they are easy to understand.

Here are two sentences, with and without conjunctions:

Incorrect: The girl ran to the ice cream truck then she ate ice cream.

Correct: The girl ran to the ice cream truckand then she ate ice cream.

So, you can see that we need a conjunction for the sentence to be clear!

It is important to know that the word “then” is NOT a conjunction—it’s an adverb.

 

4. Types of Sentence Structures

As mentioned, there are four main types of sentence structures: simple, compound, complex, and compound-complex. To begin, here is a simple chart that outlines the patterns of each type.

SentenceStructures

 

a. Simple sentence

simple sentence has only one subject and one predicate—one independent clause.  In fact, an independent clause itself is a simple sentence. Here are some examples:

  • She jumped.
  • The cheetah ran.
  • He ran to the gas station.
  • He ate dinner.

Simple sentences don’t have many details and they don’t really combine multiple ideas—they are simple!

 

b. Compound sentence

compound sentence has at least two independent clauses. It uses a conjunction like “and” to connect the ideas. Here are some examples:

  • The dog ate pizza but the cat drank apple juice.  
  • The dog ate pizza but the cat drank apple juice and the fish had eggs.

As you can see, a compound sentence allows us to share a lot of information by combining two or more complete thoughts into one sentence.

 

c. Complex sentence

A complex sentence has one independent clause and one or more dependent clauses. It sometimes uses conjunctions and other words to combine all of the clauses together.

  • When he was on the airplanethe man bought cookies.
  • When he was on the airplanethe man bought cookiesbut not brownies.

A great way to make a sentence more detailed is by adding dependent clauses (which couldn’t be sentences on their own). So, complex sentences let us add information to simple sentences.

 

d. Compound-complex sentence

compound-complex sentence has two or more independent clauses and at least one dependent clause—so, it uses conjunction(s) to combine two complete sentences and at least one incomplete sentence. Here is an example:

The girl smelled cookieswhich were baking at homesoshe ran all the way there.

The result of combining the three clauses and the conjunction is a compound-complex sentence that is both informational and easy to understand. The independent clauses give the main information, and the dependent clause(s) give the details.

 

5. How to Avoid Mistakes

When it comes to making sure your sentence is clear and complete, having the right sentence structure is very important. A couple of common mistakes can happen when you forget how to use clauses or conjunctions in the right way, like run-on sentences and fragment sentences.

 

a. Run-on sentences

In simple terms, a run-on sentence is a sentence that is too long. For instance, if a writer forgets to use conjunctions, a sentence seems like it “runs on” for too long. For example:

The fox really liked pancakes, he ate them every day for breakfast, he couldn’t eat them without syrup and butter.

But, with the right conjunctions, this can be a normal compound sentence:

The fox really liked pancakessohe ate them every day for breakfastbuthe couldn’t eat them without syrup and butter.

As you can see, the new sentence is much easier to read and makes more sense.

 

b. Fragment (incomplete) sentences

A “fragment” is a small piece of something. So, a fragment sentence is just a piece of a sentence: it is missing a subject, a predicate, or an independent clause. It’s simply an incomplete sentence. Fragment sentences can happen when you forget an independent clause.

For instance, by itself, a dependent clause is just a fragment. Let’s use a couple of the dependent clauses from above:

  • While he was at the dance            What happened?
  • If he eats chocolate                       Then what?

As you can see, each leaves an unanswered question. So, let’s complete them:

  • While he was at the dancethe dog drank fruit punch.
  • The dog will get a stomachache if he eats chocolate.
Further Reading and INTERACTIVE EXERCISEShttps://englishsentences.com/sentence-structure/


                          http://esl.fis.edu/learners/advice/syntax.htm     

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