Don't use: "for" instead of "to". Don't use: "to" with an -ing form or a noun.
Don't use: "to" before main verb in the main sentence. Don't omit "to".
PARALLEL STRUCTURE
Parallel Structure means expressing ideas of equal importance with the same grammatical
217. Parallel Structure - in a series.
In all patterns, ideas of equal importance must be expressed by the same grammatical structure.
Don't express ideas in a series by different structures!
Incorrect: He learned to read and writing.
Correct: He learned to read and to write.
Incorrect: She is young, enthusiastic, and she has talent.
Correct: She is young, enthusiastic, and talented.
Incorrect: The patient's symptoms were fever, dizziness, and his head hurt.
Correct: The patient's symptoms were fever, dizziness, and headache.
218. Parallel Structure - after correlative conjunctions.
Ideas of equal importance are introduced by correlative conjunctions "both... and", "not only ... but also".
Don't express ideas after inclusives by different structures!
Incorrect: ...not only typing but also to answer calls.
Correct: ...not only typing but also answering calls. (-ing forms)
Correct: ...not only to type but also to answer calls. (infinitives)
REDUNDANCY - using more words than necessary
219. Redundancy - unnecessary phrases.
"quickly" is better than "in a quick manner", "so quick a way", or "in a manner that was quick"; and "serious" is better than "serious in its nature", or "serious in character".
One should avoid phrases of similar kind.
220. Redundancy - repetition of words with the same meaning.
One should avoid using words with the same meaning consecutively in the sentence, such as "new innovations", "to advance forward", "to retreat back", "sufficient enough", "to repeat again", etc.
221. Redundancy - repetition of noun by pronoun.
One shouldn't use a pronoun after the noun it refers to, or "that"
Incorrect Correct
My teacher he said ... My teacher said ...
Hospitalization that it covers ... Hospitalization covers ...
