English Language and Communication
What this domain tests
This domain covers grammar, vocabulary, spelling, punctuation, comprehension, and clear written expression - the tools an officer needs for orders, reports, and briefings.
Concepts to master
- Parts of speech and agreement: subject-verb agreement, pronoun reference, tense consistency.
- Sentence structure: avoid run-ons and fragments; use parallel construction in lists.
- Punctuation: commas for clarity, apostrophes for possession, semicolons between related clauses.
- Vocabulary in context: choose the word that fits both meaning and tone.
- Clarity and concision: active voice, short sentences, one idea per sentence.
Traps to expect
- Collective nouns - the crew is (unit) versus the crew are (individuals), depending on intended sense.
- Dangling modifiers - Having finished the drill, the report was written wrongly attaches the action to the report.
- Its versus it's, their/they're/there, and other homophones.
- Overly formal or wordy options that sound impressive but obscure meaning.
Rule of thumb
For error-spotting, read the sentence aloud and test each clause for a subject and a verb. For word choice, substitute each option and ask which one a reader would understand fastest without loss of precision.
Worked example
Each of the cadets (was/were) required to submit a report. The subject is each, which is singular, so the verb is was; of the cadets is a prepositional phrase and does not change agreement. This is the classic proximity trap.