Which sentence uses its or it's correctly?
OACP: Grammar and punctuation
Subject-verb agreement, verb tense, clear pronouns, apostrophes, comma splices, fragments and commonly confused words, all in report-style sentences.
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- Topic drill
Study reference: OACP Certificate study notes (Oct 2026), Ch. 4 Grammar and punctuation — rules for clear reports
All 16 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
Which sentence uses its or it's correctly?
- The car had damage to its' rear bumper.
- The car had damage to it's rear bumper.
- The car had damage to its rear bumper.
- Its clear that the car was damaged.
Which sentence about the 911 caller is correct?
- The woman who called 911 waited at the corner.
- The woman whom called 911 waited at the corner.
- The woman what called 911 waited at the corner.
- The woman which called 911 waited at the corner.
Choose the correct word: "Make sure you do not ____ the exhibit tag."
- loose
- loss
- lose
- lost
Which sentence comparing two vehicles' speed is correct?
- The second vehicle was more faster than the first.
- The second vehicle was fast then the first one.
- The second vehicle was faster then the first.
- The second vehicle was faster than the first.
A report describes what a woman did on arriving home. Which sentence keeps the past tense consistent?
- She has open the door and saw the broken window.
- She opened the door and sees the broken window.
- She opened the door and saw the broken window.
- She opens the door and saw the broken window.
Choose the correct word: "The officers parked ____ cruisers across the road."
- there
- their
- theyre
- they're
Two drivers each showed a licence. Which phrase is correct?
- the drivers' licences
- the driver's licences
- the drivers licence's
- the drivers's licences
Which sentence about the witness interviews is correct?
- Each of the witnesses was interviewed separately.
- Each of the witnesses were interviewed separately.
- Each of the witnesses are interviewed separately.
- Each of the witnesses have been interviewed separately.
A report lists what was in a bag. Which sentence is punctuated correctly?
- The bag held, a wallet two phones and a set of keys.
- The bag held a wallet two phones, and a set, of keys.
- The bag held a wallet; two phones; and a set of keys,
- The bag held a wallet, two phones and a set of keys.
Choose the correct word: "The cold did not ____ the evidence."
- affect
- affekt
- afect
- effect
Which sentence about the people leaving the vehicle is correct?
- Everyone excepted the driver left the vehicle.
- Everyone expect the driver left the vehicle.
- Everyone accept the driver left the vehicle.
- Everyone except the driver left the vehicle.
Which item is a complete sentence?
- The suspect who ran toward the lot.
- Running toward the parking lot.
- The suspect ran toward the parking lot.
- Because the suspect ran away.
Two men were talking about lost keys. Which sentence makes clear who lost them?
- Mr. Lee told Mr. Brown he lost them.
- Mr. Lee told Mr. Brown that Mr. Lee had lost his keys.
- Mr. Lee told Mr. Brown that he had lost his keys.
- He told him that he had lost his keys.
Which sentence about the injuries in the crash uses correct grammar?
- Neither the driver nor the passengers is injured.
- Neither the driver or the passengers were injured.
- Neither the driver nor the passengers were injured.
- Neither the driver nor the passengers was injured.
Which sentence avoids a comma splice?
- The light was red, and, the van went through it.
- The light was red; the van went through it.
- The light was red, the van went through it.
- The light was red the van went through it.
A report describes tools found behind a shed. Which sentence is grammatically correct?
- The box of tools were found behind the shed.
- The box of tools was found behind the shed.
- The box of tools are found behind the shed.
- The box of tools have been found behind the shed.
Grammar and punctuation: key rules to remember
Our summary of what the official handbook says on this topic, in our own words. Read it before or after the practice questions above, then check the original chapter. Read the official chapter ↗
grammar and punctuation (Pearson product page)
- Grammar items check whether sentences in a report are written correctly.
Grammar rules for clear reports (our study notes)
- The verb agrees with its subject, not with a noun inside a phrase: "The box of tools was found" (box is the subject).
- Each, everyone, neither and either take a singular verb: "Each of the witnesses was interviewed."
- With "neither ... nor" or "either ... or", the verb agrees with the nearer subject.
- Use the past tense consistently when describing events that already happened.
- Pronouns must clearly refer to one person; repeat the name if "he" or "she" could mean two people.
- Its = belonging to it; it's = it is. Their = belonging to them; there = a place; they're = they are.
- An apostrophe shows possession: the driver's licence (one driver), the drivers' licences (several drivers).
- Two complete sentences joined only by a comma form a comma splice; use a period, a semicolon or a joining word.
- Use "who" for people and "that" or "which" for things.
- A sentence fragment lacks a subject or a main verb and cannot stand alone.
- Commonly confused: affect (verb, to influence) / effect (noun, a result); accept / except; then (time) / than (comparison); lose / loose.
Other topics
- The OACP Certificate and police requirementsHow the OACP Certificate works in Ontario (Part A forms, Part B SSPO, Part C personality assessment), and the legal and practical requirements to be appointed a police officer under the Community Safety and Policing Act, 2019.
- Spelling for incident reportsSpot the correctly spelled word in report-style sentences: double letters, -ance and -ence endings, i-before-e exceptions, silent letters and Canadian spellings such as licence and offence.
- VocabularyThe meaning of words that come up in reports and police work, synonyms and antonyms, and choosing the word that fits a sentence.
- Writing a clear incident reportChoosing facts over opinions, putting events in order, writing specific and concise descriptions and attributing what each person said.
- Deductive reasoningDrawing conclusions that must follow from stated facts and rules: if-then statements, all and some statements, ordering and seating puzzles.
- Inductive reasoning and patternsFinding the rule in number and letter series, analogies and odd-one-out sets, then applying it to the next case.
- Police-style scenariosApplying a stated procedure, matching witness descriptions, tracking directions on a map described in words and working with schedules.
- Numerical reasoning without a calculatorTimes, distances, speeds, averages, percentages and rates in practical police-style problems, worked by hand.