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CourseGrammarDictionaryVocabulary
  1. Home
  2. ›Grammar
  3. ›C1
  4. ›Inversion: the full system
Sentence structureC1

Inversion: the full system

Beyond negatives: so/such inversion, conditional inversion (Had I known, Should you need), and place-phrase inversion

Learning Goal

I can use so/such, conditional and locative inversion for formal emphasis.

Exam Skills:C1 Advanced Use of English

Look at these examples. Can you spot the grammar pattern?

Should you require assistance, our staff will be happy to help.

Should you require assistance, our staff will be happy to help.

Such was the silence that we could hear the snow falling.

Such was the silence that we could hear the snow falling.

Pay attention to the highlighted parts. What do they have in common?

Three more inversion families:

FamilyExample
so/such ... thatSo loud was the music that windows shook. Such was the demand that servers crashed.
conditional (drop if)Had I known, I'd have come. Should you need anything, call. Were she here, ...
place + verb of positionOn the hill stood a ruined tower. Here comes the bride.

Conditional inversion replaces if in formal writing; negatives don't contract: Had I not seen it…

Apply this grammar in C1 course exercises

Practice Exercises
  • *Hadn't I known → Had I not known
  • *So the music was loud that → So loud was the music that
  • Place inversion with transitive verbs — only position/motion verbs invert

Common Error Patterns

Contracted negative inversion

Had I not seen — no n't

so/such inversion order broken

So + adj + verb + subject + that

Should you require assistance, our staff will be happy to help.

Should you require assistance, our staff will be happy to help.

Should-inversion: the formal-notice register.

Such was the silence that we could hear the snow falling.

Such was the silence that we could hear the snow falling.

Such was X that: literary emphasis.

Practice in course

Apply this grammar in C1 course exercises

C1 Course
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Frequently asked questions

When is Inversion: the full system used?
Conditional inversion replaces if in formal writing; negatives don't contract: Had I not seen it…
What are common mistakes with Inversion: the full system?
*Hadn't I known → Had I not known *So the music was loud that → So loud was the music that Place inversion with transitive verbs — only position/motion verbs invert

Related grammar topics

  • Inversion after negative adverbials
  • Conditional 3 and mixed conditionals
  • Cleft sentences: it-clefts and what-clefts
  • Ellipsis and substitution: so, neither, do so
  • Participle clauses: having finished, seen from above
  • There is / there are
  • Questions with do/does/did
  • Infinitive of purpose: to buy bread