English Grammar
The syllabus names "basic English grammar: tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech".
General Aptitude · topic
Grammar and usage
Grammar rules that decide fill-in and error-spotting options: tenses and sequence of tenses, conditionals, subject-verb agreement (collective nouns, either/neither, none, amounts), articles, adjectives and comparison, prepositions and fixed pairings, conjunctions and correlatives, pronoun case, modifiers and parallel structure.
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Grammar and usage cheat sheets
One-page visual sheets for this topic, in the sheet library on the store. Previews are free; the full sheets come with the subject pack.