Critical Grammar[1]

 

The following errors are by far the most common mistakes that writers make.  Master these and you’ll sound fluent and even polished.  Learn what error patterns you have and work towards getting rid of them.  The codes used are included also you can learn what your mistakes are when your teacher marks your essays.

 

Sentence Fragment:     Code:  frag

 

A sentence is a complete thought.  It has a subject and a verb (predicate).  Any sentence that does not make sense by itself and cannot stand alone is a fragment.

 

Examples:

´       Jane promises to address the problem of limited parking.  If she is elected president.

ü     Jane promises to address the problem of limited parking if she is elected president.  (correct, attached to a complete sentence)

 

´       Violence has caused great concern among those living in the core area.  So that survival has become their primary aim.

ü     Violence has caused great concern among those living in the core area.  Survival has become their primary aim.  (correct, turned into complete sentence)

 

Solutions: 

¨     Attach fragments to complete sentences.

¨     Turn the fragments into a complete sentence.

 

Comma Splice:   Code:  CS

 

When two independent sentences (complete thoughts) are joined by a comma.

 

´       Quitting smoking is easy, I’ve done it dozens of times.

ü     Quitting smoking is easy, and I’ve done it dozens of times.  (correct, coordinating conjunction)

ü     Quitting smoking is easy.  I’ve done it dozens of times.  (correct, period)

 

Solutions:

¨     Use a comma and a coordinating conjunction (and, but, or)

¨     Use a semi-colon (;)

¨     Use a period and make separate sentences

¨     Attach one of the sentences by making it dependent on the other sentence

 

Fused Sentence:      Code:  FS

 

When two independent sentences (complete thoughts) are without any punctuation.

 

´       Quitting smoking is easy I’ve done it dozens of times.

ü     Quitting smoking is easy; I’ve done it dozens of times.  (correct, semi-colon)

ü     Quitting smoking is easy because I’ve done it dozens of times.  (correct, one sentence made dependent on the other one)

 

Solutions:

¨     Use a comma and a coordinating conjunction (and, but, or)

¨     Use a semi-colon (;)

¨     Use a period and make separate sentences

¨     Attach one of the sentences by making it dependent on the other sentence

 

Subject-Verb Agreement:    Code:  SV agree

 

The subject of a verb and the verb must agree.  Often, problems with subject-verb agreement are because of the words that come in between the subject and the verb.

 

´       High levels of air pollution causes damage to the lungs.

ü     High levels of air pollution cause damage to the lungs.  (correct, the verb changed to agree with the subject)

ü     A high level of air pollution causes damage to the lungs.

(correct, the subject changed to agree with the verb)

 

Solution:

¨     Determine what the true subject of the verb is and make the verb agree with that, rather than with a word in between.

 

Dangling or Misplaced Modifier:        Code:  mod

 

When a phrase or string of words describing a verb, noun or pronoun is placed inappropriately.

 

´       Coming home from school, my dog met me in the yard.  (It sounds like your dog was coming home from school!)

ü     When I got home from school, my dog met me in the yard.  (correct, it’s clear that you got home from school, not the dog)

 

´       Throw the cow over the fence some hay.  (It sounds like you are going to lift the cow and throw it over the fence!)

ü     Throw the cow standing behind that fence some hay.  (correct, it’s now clear where the cow is)

 

Solutions:

¨     Rewrite the sentence and place the offending phrase in a more appropriate place or change the wording.

 

Pronoun-Antecedent Agreement:     Code:  PRO agree

 

A pronoun must agree with the word it refers to, its antecedent.

 

´       A medical student must study hard if they want to succeed. (‘student’ is singular; ‘they’ is plural)

ü     Medical students must study hard if they want to succeed.  (correct, ‘students’ is plural and ‘they’ is plural)

 

Solution:

¨     Check pronouns to see if they agree with the words they refer to.

 

Pronoun Reference:        Code:  REF

 

Sometimes the words that pronouns refer to are not clear or vague or ambiguous.

 

´       When Phil set the pitcher on the glass table, it broke.  (pronoun reference is unclear and the reader doesn’t know if the table broke or if the pitcher broke)

ü     When Phil set the pitcher on the glass table, the pitcher broke.  (correct)

 

Solution:

¨     Rewrite to make the reference clear.

 

Parallel Construction:    Code:  //

 

Words and phrases in a sentence must be balanced to sound fluent.

 

´       Susan was generous, intelligent and a free spirit.  (sentence is not parallel because two adjectives (generous, intelligent) are put together with a noun (free spirit))

ü     Susan was generous, intelligent and free-spirited.  (correct)

 

Solution:

¨     Determine what words or phrases are out of balance and change them to match the others.

 

Shifting Verb Tense:    Code:  TENSE

 

Writers may change verb tenses back and forth between past and present.

 

´       Michael goes into the store and browses.  After a while he bought a Slurpee.  (verb tense is inconsistent:  ‘goes’ and ‘browses’ are present tense, while ‘bought’ is in the past tense)

ü     Michael went into the store and browsed.  After a while he bought a Slurpee.  (correct, ‘goes’ and ‘browses’ changed to past tense to agree with ‘bought’)

 

Solution:

¨     Check your verbs and see if the tenses are consistent.

 

Passive Voice:          Code:  PASSIVE

 

The passive voice is a construction where the subject follows the verb.  This is a weak way of writing.

 

´       The ball was hit by the girl.

ü     The girl hit the ball.  (correct, active voice)

 

Solution:

¨     Rework the sentence into the ‘active’ voice so that the subject is ‘acting’ on the verb or so that the subject leads.

 

Plural Form:           Code:  Pl

 

Writers sometimes confuse the plural and the possessive form.  Remember that the ‘apostrophe – s’ is for possession.

 

´       Over fifteen thousand teen’s and their parent’s flocked to see Marilyn Manson at the stadium.  (plural form needed but the apostrophe shows the possessive)

ü     Over fifteen thousand teens and their parents flocked to see Marilyn Manson at the stadium.  (correct)

 

Solution:

¨     Use the ‘apostrophe – s’ to show possession not plural. 

¨     Remember that ‘it’s = it is’ and ‘its = possession’. 

Example:   A:  Where is the cat’s toy?

                B:  Its toy is behind the chair.

                A:  Where is it?

                B:  It’s over there.

 

Proofreading

If you understand the following proofreading signs that your teachers mark in your assignments and essays, you can focus on these problems to improve your writing.

 

Awkward Construction

Code:  awk

 

Sometimes a sentence isn’t exactly grammatically wrong but it comes across as awkward and doesn’t flow.  You need to rework the sentence to get a better effect.

 

Spelling

Code:  sp

 

One Word

Code:  after    wards

 

Weak or Non Existent Topic Sentence

Code:  TS

 

Start a New Paragraph

Code: 

 


Omit

In the            end,



[1] Adapted from material developed by Phil McBurney, McLeod Adult Learning Centre