When proofreading for grammer errors. First locate the subject of the sentence. Then, you should double-check the agreement of n
ouns and antecedents as well as the agreement of subject and predicate. The grammar check on the computer may be helpful, but should not replace manual proofreading.
Answer: Correcting grammatical errors is a very technical work which require more of understanding the etymological aspect of English and more importantly the use of CONCORD, PARTS OF SPEECH and English phonology.
Explanation: It is an area that requires more of savvy teachers of English language.
