TOEIC Part 5 Grammar Mastery 2026: The Complete Strategy & 30-Day Plan

Quick answer: TOEIC Part 5 is 30 multiple-choice incomplete sentences, the highest-leverage section of the entire TOEIC Reading because it tests grammar + vocabulary collocation + word form in pure form, and the patterns repeat. Target time: 70 seconds per question = 12-15 minutes total. The 5 question types are (1) word form, (2) verb tense, (3) pronoun and modifier, (4) preposition collocation, (5) vocabulary in context. The single highest-leverage habit is scanning the four answer choices BEFORE reading the stem — if all four are forms of the same word (produce / produced / producing / production) it's a word-form question solvable from grammar alone in 8-10 seconds, saving 5-7 minutes across 30 questions. Master 30 grammar rules + 30 preposition collocations + 20 word-form pairs and you will hit 27-30/30 reliably. Free AI Part 5 practice at English AIdol.

By Alfie Lim, TESOL-certified founder of English AIdol. Last reviewed 29 April 2026.

Why Part 5 is the highest-leverage section in TOEIC

TOEIC Reading has 100 questions in 75 minutes. Part 5 is 30 of those. Three reasons it is the highest-leverage section:

• Patterns repeat. ETS recycles a finite set of grammar rules, preposition collocations, and word forms. After 900 carefully reviewed questions you have seen nearly every pattern.
• Time saving compounds. Every minute you save on Part 5 is a minute you give to Part 7 multi-passage reading, where 80% of strong scorers lose points to time pressure. A student who finishes Part 5 in 12 minutes instead of 18 has 6 extra minutes for Part 7.
• It is pure skill, not luck. Part 5 questions have one clearly correct answer and three clearly wrong answers when you know the rule. Unlike Part 7 inference, there is no ambiguity.

If you raise Part 5 from 22/30 to 28/30 you typically gain 30-40 points on the Reading scaled score and free up 5-6 minutes for Part 7, which is worth another 20-30 points. Total: roughly 50-70 points on the Reading section alone. Most students dramatically underestimate this.

What Part 5 actually looks like

30 incomplete sentences, four answer choices each. Section 5 of the answer sheet. Example:

The new policy will take effect ______ all employees as of January 1.
(A) regard (B) regarding (C) regards (D) regarded

(Answer: B — "regarding" is a preposition meaning "concerning/about." The other three are verb forms which don't fit the slot.)

Notice three things:

1. Four choices are all forms of the same root word "regard" — this is a word-form question, solvable from grammar alone.
2. You did not need to read or understand the rest of the sentence semantically. Recognising the pattern saves time.
3. The 4 choices are arranged in random alphabetical order, NOT in difficulty order.

The 5 Part 5 question types — recognize them in 5 seconds

Type 1: Word form (~30-40% of Part 5)

Signal: All 4 choices are different forms of the same word root.

Examples: produce / produced / producing / production; complete / completed / completion / completely; create / creates / creative / creatively.

Solve method: Identify what word class the slot needs (noun, verb, adjective, adverb) by looking at the surrounding words. You do NOT need to read the whole sentence. Target time: 8-10 seconds.

Quick word-class signals:

• After "the / a / an / their / our / one of the" → needs a noun
• After "is / are / was / were / has been / have been + ____ + by" → needs a past participle (passive)
• After "very / quite / extremely / fairly" → needs an adjective or adverb
• Modifying a verb / adjective / adverb → needs an adverb
• Between "to" and another word, when "to" is the infinitive marker → needs a base-form verb

Type 2: Verb tense / agreement (~15-20% of Part 5)

Signal: All 4 choices are tense variations of the same verb (e.g. arrive / arrives / arrived / will arrive).

Solve method: Look for the time marker in the sentence (yesterday, next week, since 2020, by the time, currently) and the subject (singular or plural). The right tense matches both. Target time: 15-20 seconds.

Common time-clue triggers:

• since / for + duration → present perfect (has/have + V3)
• by the time / by next year → future perfect or simple future
• last week / yesterday / in 2020 → simple past
• currently / at the moment / right now → present continuous
• every Monday / usually / always → simple present

Type 3: Pronoun & modifier (~10% of Part 5)

Signal: Choices include he/his/him/himself, or which/who/that/whose, or this/that/these/those.

Solve method: Identify the antecedent (the noun the pronoun refers back to) and decide if it's subject, object, possessive, or reflexive position. Target time: 10-15 seconds.

Type 4: Preposition collocation (~15-20% of Part 5)

Signal: Choices are 4 different prepositions (at / on / in / with or to / for / from / about).

Solve method: Identify which verb, noun, or adjective requires which preposition. This is pure memorization — you either know "depend ON" or you don't. Target time: 10 seconds if you know the collocation, 60 seconds of guessing if you don't. The remedy is the 30-collocation list below.

Type 5: Vocabulary in context (~15-20% of Part 5)

Signal: Choices are 4 different words of the same word class (e.g. all 4 are verbs, or all 4 are nouns) and you have to pick which fits semantically.

Solve method: You DO need to read the full sentence. Look for collocations and context clues. Target time: 30-45 seconds. This is the slowest type and where vocabulary depth pays off.

The "Scan-Choices-First" technique — saves 5-7 minutes

Standard students read the sentence first, then look at the choices. This wastes time on word-form and preposition questions where the sentence content doesn't matter.

The optimization:

1. Glance at the 4 choices first (1 second).
2. If all 4 are word forms of the same root → it's Type 1 (word form). Don't read the sentence; identify the missing word class from the immediate left/right context. 10 seconds done.
3. If all 4 are tense variations → it's Type 2 (tense). Scan for the time clue. 15 seconds done.
4. If all 4 are different prepositions → it's Type 4 (collocation). Look at the verb/adjective/noun adjacent. 10 seconds done if you know it.
5. If choices are different words but same word class → it's Type 5 (vocabulary). NOW you read the full sentence. 30-45 seconds.

Average time saving: 5-7 minutes across 30 questions. That time goes into Part 7 where every extra minute earns points.

The 30 most-tested Part 5 grammar rules

1. Subject-verb agreement (singular subject + singular verb): One of the employees IS late.
2. Count vs non-count nouns: much information not many informations
3. Comparative vs superlative: cheaper than, the cheapest of
4. Conditional Type 1 (real future): If we get the order, we will hire more staff.
5. Conditional Type 2 (hypothetical present): If we had more staff, we would deliver faster.
6. Conditional Type 3 (counterfactual past): If we had hired earlier, we would have met the deadline.
7. Passive voice: The report was written by the consultant.
8. Present perfect (since/for): has worked here since 2020
9. Present perfect vs simple past distinction
10. Future perfect (by/by the time): will have completed by Friday
11. Gerund after specific verbs: enjoy/avoid/consider/finish/recommend + V-ing
12. Infinitive after specific verbs: plan/decide/agree/promise/refuse + to V
13. Verbs taking both with meaning change: remember to do (future obligation) vs remember doing (past memory)
14. Relative pronoun who (people, subject): the manager who hired me
15. Relative pronoun which (things): the report which arrived yesterday
16. Relative pronoun whose (possessive): the candidate whose CV impressed us
17. Relative pronoun that (restrictive): the proposal that won
18. Reduced relative clause: the report submitted yesterday (= which was submitted)
19. Causative have: have someone do something / have something done
20. Causative get: get someone to do something / get something done
21. Causative make/let: make/let someone do (no "to")
22. Modal of obligation: must / have to / should
23. Modal of possibility: may / might / could
24. Modal of past possibility: must have / could have / might have + V3
25. Reported speech tense backshift: "I will arrive tomorrow." → He said he would arrive the following day.
26. Articles a/an/the (specific vs generic)
27. Quantifiers: much/many/few/little/several/most/some/any + correct noun type
28. "Either... or" / "Neither... nor" agreement (verb agrees with the closer subject)
29. Inversions after negative adverbs: Rarely have we seen, Not only does she...
30. Subjunctive after suggest/insist/recommend/demand: The board recommended that he RESIGN (base form)

The 30 most-tested preposition collocations

Memorize these. They appear on virtually every Part 5 test:

1. depend ON / rely ON
2. responsible FOR
3. interested IN
4. familiar WITH
5. different FROM
6. similar TO
7. capable OF
8. aware OF
9. concerned ABOUT (worried) / concerned WITH (involved in)
10. suffer FROM
11. benefit FROM
12. contribute TO
13. refer TO
14. belong TO
15. insist ON
16. consist OF
17. account FOR
18. apply FOR (a job) / apply TO (a school)
19. specialize IN
20. participate IN
21. comply WITH
22. cope WITH
23. protest AGAINST
24. compensate FOR
25. concentrate ON / focus ON
26. regardless OF
27. in addition TO
28. in accordance WITH
29. on behalf OF
30. prior TO (= before)

The 20 most-tested word-form pairs

For each, know the noun, verb, adjective, and adverb forms:

1. produce (verb) / production (noun) / productive (adj) / productively (adv)
2. achieve / achievement / achievable / —
3. develop / development / developmental / —
4. complete / completion / complete (adj) / completely
5. create / creation / creative / creatively
6. compete / competition / competitive / competitively
7. describe / description / descriptive / —
8. explain / explanation / explanatory / —
9. operate / operation / operational / operationally
10. analyze / analysis / analytical / analytically
11. apply / application / applicable / —
12. maintain / maintenance / — / —
13. renovate / renovation / renovated / —
14. expand / expansion / expansive / —
15. employ / employment, employee, employer / employed (adj) / —
16. require / requirement / required / —
17. assist / assistance, assistant / — / —
18. refer / reference / — / —
19. differ / difference / different / differently
20. economize / economy, economist / economic, economical / economically

Common Part 5 traps to avoid

• Reading the whole sentence on a word-form question. Wastes 30+ seconds you didn't need to spend.
• Picking the "most natural-sounding" word without checking the rule. ETS includes plausible-but-wrong distractors. Apply the rule, don't go by ear.
• Confusing "economic" (relating to economy/business) and "economical" (saving money). Both adjectives, different meanings.
• Confusing "successful" (adj) and "succession" (noun, sequence) and "success" (noun).
• Forgetting that "few/little" mean "almost none" while "a few/a little" mean "some, but small amount."
• Forgetting reduced relative clauses. "The proposal submitted yesterday" = "The proposal that was submitted yesterday." Don't mark this as a verb-tense error.
• Subjunctive after suggest/recommend/insist/demand. "The committee recommended that he ATTEND" — bare infinitive, not "attends" or "attended."
• Spending more than 90 seconds on a single Part 5 question. Mark it, guess, move on. Coming back wastes more time than the point is worth.

The 30-day daily Part 5 plan to lock in 28-30/30

30 Part 5 questions per day for 30 days = 900 questions, enough to see nearly every recycled pattern. Aim for 90% accuracy by day 14, 93% by day 21, 95-97% by day 30.

Daily routine (45-60 minutes total):

1. Warm up (5 min): Review yesterday's mistakes. Re-articulate the rule that got broken.
2. Drill (20-25 min): Do 30 Part 5 questions under timed conditions (target 12 minutes). Use a single timer.
3. Score & tag (5 min): Mark each wrong answer with the question type (1-5) and the rule violated. Track which type costs you most points.
4. Deep review (15-20 min): For each wrong answer, write the rule in your notes. Don't just read the explanation — write it yourself.
5. Vocabulary blast (5 min): Practice 10 new word-form pairs or 10 new preposition collocations.

How AI-assisted practice is different — English AIdol Part 5

Standard prep books explain "the answer is B because of subject-verb agreement." That's fine for one question — but you have 900 to drill. English AIdol's TOEIC portal does three things differently for Part 5:

• Names the question type (1-5) on every wrong answer, so you can see if word-form questions are your weak point or vocabulary-in-context are.
• Names the specific grammar rule violated ("subjunctive after recommend," "preposition collocation: depend ON not depend FOR"), with a one-line explanation.
• Tracks your accuracy by question type over time — so you know which 1-2 types still need drilling and which are mastered.

Companion guides:

• Best AI TOEIC Platform 2026
• How to Score 900+ on TOEIC

Frequently asked questions

How do I do TOEIC Part 5 in 12 minutes?

Average 24 seconds per question by recognising the 5 question types in 1 second. Word-form questions (Type 1) take 8-10 seconds. Preposition collocations (Type 4) take 10 seconds if memorized. Tense (Type 2) and pronoun (Type 3) take 15 seconds each. Save the 30-45 second slots for vocabulary-in-context (Type 5). Target: 12-13 minutes total, leaving time for Part 7.

What are the most common TOEIC Part 5 grammar traps?

The top traps: confusing "economic" vs "economical," missing the subjunctive after recommend/suggest/insist, forgetting subject-verb agreement when there is a long phrase between subject and verb, picking the wrong preposition (depend ON, responsible FOR, interested IN, capable OF), and reading whole sentences on word-form questions when the answer is solvable from grammar alone.

What's the best AI app for Part 5 practice?

English AIdol is the strongest free AI TOEIC app for Part 5 — it labels each wrong answer with question type (1-5) and the specific grammar rule violated, tracks accuracy per type over time, and recycles questions on patterns you keep missing. Mock scores calibrated within ±25 points of real ETS outcomes.

Can I get 30/30 in Part 5?

Yes, but it requires roughly 900 reviewed questions and complete mastery of 30 grammar rules + 30 collocations + 20 word-form pairs. Most 950+ scorers run 28-30/30 reliably. Below 850, expect 22-26/30. The biggest jump comes from drilling the question-type recognition (Types 1-5) so word-form and tense questions take 10 seconds instead of 30.

How is Part 5 different from Part 6?

Part 5: 30 standalone incomplete sentences, each with one blank. Tests grammar, collocation, vocabulary at the sentence level. Part 6: 4 short passages with 4 blanks each (16 questions total). Tests the same grammar/vocabulary BUT also includes one "sentence-completion" item per passage where you choose a full sentence that fits the paragraph's logic. Part 6 needs more reading comprehension; Part 5 is purer grammar.

What vocabulary range do I need for Part 5?

For 28-30/30, you need around 1,500 high-frequency TOEIC words covering business meeting, finance, marketing, HR, logistics, manufacturing, and customer service contexts. Most repeat across tests. The English AIdol vocabulary trainer covers these 1,500 words with spaced repetition and shows you each word in 3-5 real TOEIC sentence contexts.

Where to go next

1. Take a free 30-question Part 5 diagnostic at englishaidol.com/portal/toeic to see your baseline.
2. Read the 900+ strategy guide for the full TOEIC plan.
3. Start the 30-day Part 5 daily plan above. Track your accuracy per question type.
4. When you hit 28+/30 reliably for a week, sit a full mock TOEIC and check that Part 7 timing has improved.
5. Sit the real test when you've hit your target on two consecutive full mocks.

Part 5 is the easiest section to engineer a score lift on — it's pure pattern recognition, and patterns repeat. Master it and the rest of TOEIC gets dramatically easier. — Alfie Lim, founder, English AIdol