Features of Good and Bad Writing

Redundancy

Including information already given in the same phrase.

Clich´┐Ż

Using a form of expression which is very common and boring.

Hyperbole

Extremely exaggerated statement to cause an effect.

Simile

A comparison using 'like' or 'as'.

Telling

Writing the conclusion that someone is meant to come to, rather than encouraging them to infer it through argument or description.

Showing

Using descriptions of reality to lead the reader to understand your meaning without telling it outright.

Triple

A short list of three items.

Inconsistent Tenses

Piece begins in one tense and then switches to another.

Consistent Tenses

Staying in one tense through a whole piece.

Contractions

Missing out letters, and using apostrophes to take their space. Not acceptable for formal work other than in speech or quotation.

Comma Splice

Joining two clauses without a full stop or conjunction.

Adventurous Vocabulary

Accurate, logical vocabulary choices which add to the effect (NB
Not
random words pulled from a thesaurus).