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TOEIC Link Part 5 — So … That vs Such … That: Result-Clause Selection

The response was so positive that we extended the trial — or was it such a positive response? Part 5 loves to test the so … that and such … that result constructions side by side, because the choice is not about meaning but about what word sits between them: so hugs an adjective or adverb, such hugs a noun phrase. This guide fixes the pattern on grammar, not feel, and works the distractor logic on workplace items.

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The demand was ____ high that the factory added a third shift. The options are so, such, such a, and too. Learners who hear "high demand" as a unit reach for such. The intended answer is so — the blank sits directly in front of the adjective high, and the degree word that pairs with a bare adjective is so, not such. This guide takes the two result constructions apart so the choice is structural rather than a matter of ear.

Two frames that mean the same thing

So … that and such … that both express a cause-and-degree result: something reaches such a high degree that a consequence follows. The meaning is identical. What differs is the grammar of the word each one attaches to.

so + adjective/adverb + that + result clause

such (+ a/an) + adjective + noun + that + result clause

Read the skeletons and the split is clean:

  • The report was **so** detailed **that** no one had questions. — so grips the bare adjective detailed.
  • It was **such a** detailed report **that** no one had questions. — such grips the whole noun phrase a detailed report.

Same message, two containers. The exam item forces you to notice which container the sentence has already opened.

The one-second test: what follows the blank?

You do not need to feel the sentence. Look at the word immediately after the blank:

  • Adjective or adverb standing alone → so (so quickly, so expensive, so well)
  • Article + (adjective) + noun → such (such a delay, such strong results)

The negotiation went ____ smoothly that we signed early. The next word is smoothly, an adverb standing alone — the answer is so. It was ____ a smooth negotiation that we signed early. The next word is a, opening a noun phrase — the answer is such. The sentence tells you which one it wants before you ever weigh the meaning.

Where the article hides

Such and so split on one more axis when a singular countable noun is in play: the article a/an moves.

  • such **a** productive meeting — with such, the article sits after such.
  • **so** productive **a** meeting — the rare, formal so + adjective + a + noun order exists, but Part 5 almost never rewards it; treat such a productive meeting as the default and so productive a meeting as a trap unless the frame clearly demands so.

For uncountable or plural nouns, drop the article entirely: such strong demand, such high costs — never such a strong demand. A distractor that offers such a in front of an uncountable noun (such a strong demand) is wrong on the article alone, before you even reach the result clause.

Working the distractors

Take Attendance was ____ low that the workshop was rescheduled.

  • so — low is a bare adjective; so fits. ✅
  • such — would need a noun phrase (such low attendance), but attendance is not between the blank and that; the sentence already placed low as a predicate adjective. ✗
  • such a — wrong article for an uncountable noun, and no noun follows anyway. ✗
  • too — too low that is not a result frame; too pairs with to (too low to continue), not that. ✗

The trap here is too. Both so … that and too … to express degree-plus-consequence, and the exam counts on you blurring them. The tell is the connector already printed later in the sentence: if it is that, you are in so/such territory; if it is to, you are in too/enough territory. This same connector-first discipline drives the purpose-clause modal selection between so that and in order that, where the downstream structure again decides the answer.

A quick contrast set

Fix the pattern by reading the container, not the meaning:

  • so + adjective → The launch was **so** successful that we reordered.
  • such + (a) + noun phrase → It was **such** a successful launch that we reordered.
  • so + adverb → Sales grew **so** fast that inventory ran out.
  • such + plural noun → We saw **such** fast gains that inventory ran out.

Each pair means the same thing. The only decision is what word the blank is standing next to — and that is visible on the page, no interpretation required.

Why this pattern rewards structural reading

So … that and such … that are a favorite Part 5 pairing precisely because they are semantic twins. When two answers mean the same thing, meaning cannot break the tie — only grammar can. That makes this one of the cleanest items on the section: identify whether the blank touches a bare modifier or a noun phrase, confirm the downstream connector is that (not to), check the article against countability, and the answer is forced. The same "let the surrounding structure decide, not the vibe" habit carries into correlative frames like the not only … but also inversion and parallelism pattern, where the second half of the sentence dictates the first.

Practice these result frames alongside other degree and comparison constructions in the EnglishBlitz TOEIC Link Part 5 track, and the so/such split stops being a coin flip and becomes a two-second structural check.