Grammar

Parallel Structure & Word Order

Keep items in a list in the same grammatical form, and put words in their natural English order — two marks of polished, professional writing.

6 min read · Updated October 28, 2026 · By the Celpip.me editorial team · Free

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Quick answer · Keep every item in a list in the same grammatical form — for example, use three -ing words like "reading, writing, and speaking" instead of mixing verb forms.

More · 3 common questions

English also stacks adjectives in a fixed seven-part order (opinion-size-age-shape-colour-origin-material), places frequency adverbs before the main verb but after "be," and never splits a verb from its object.

What's an example of broken parallel structure?
"She likes reading, to write, and she paints" mixes a gerund, an infinitive, and a clause. The fixed version keeps all three items in the same -ing form: "reading, writing, and painting."
What order do multiple adjectives follow in English?
Opinion, size, age, shape, colour, origin, material, then the noun — so "a nice big house" is correct but "a big nice house" is not.
Where do frequency adverbs like "always" or "never" go in a sentence?
They go before the main verb but after the verb "be": "I often travel" and "He is never late."
Key strategies
  • 1.Items in a list must share the same form: "reading, writing, and speaking" (all -ing), not "reading, to write, and speech".
  • 2.Adjective order: opinion-size-age-shape-colour-origin-material: "a lovely small old wooden box".
  • 3.Adverbs of frequency go before the main verb but after "be": "I always arrive early." / "She is always late."
  • 4.Keep subject-verb-object order; do not place adverbs between the verb and its object: not "I like very much coffee".

Parallelism: keep the pattern

When you list two or more items, they must be in the same grammatical form:

✗ "She likes reading, to write, and she paints." ✓ "She likes reading, writing, and painting."

This applies to verbs, nouns, and phrases:

✓ "The job requires patience, creativity, and flexibility." (three nouns) ✓ "We need to cut costs and to raise revenue." (two infinitives)

Adjective order

When several adjectives stack up, English follows a fixed order: opinion → size → age → shape → colour → origin → material → noun.

"a beautiful little old round red Italian leather chair" (rarely all at once, but the order holds) ✓ "a nice big house" ✗ "a big nice house"

Adverb placement

  • Frequency adverbs (always, usually, often, never) go before the main verb but after be:
    • "I often travel." "He is never late."
  • Do not split a verb from its object:
    • ✗ "I like very much this city." ✓ "I like this city very much."

CELPIP application

Parallel lists and natural word order make your writing read as fluent and controlled.

Check yourself

A quick self-check on this lesson — pick an answer, then see the explanation. Not graded.

1. Choose the parallel sentence:
2. Correct adjective order:
3. Correct adverb placement: "She ___ arrives on time."
4. Which is natural English word order?

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