2.12 · Practice ready Instrumental Plural 0 of 10 lessons complete
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Instrumental Plural

Regular -ами/-ями, special -ьми forms, plural means, companions, roles, and case-system capstone

form instrumental plural on regular and irregular plural stems recognise the small high-frequency -ьми group use plural tools, companions, roles, and spatial reference phrases integrate oblique numeral and full-phrase agreement patterns across the noun system

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Before you start

Prerequisites
Complete Module 2.11 first
Estimated time
50 minutes
Lesson steps
10

Deliberately not taught here

  • This is the core case-form capstone, not the end of all noun syntax. Module 2.13 covers special lexical systems and restricted extra forms.
Small steps

What you will learn

  1. The general endings -ами and -ями Instrumental plural is regular once the correct plural stem is retrieved.
  2. Hard plural stems in -ами Masculine, feminine, and neuter hard stems converge on -ами.
  3. Soft and irregular plural stems in -ями Soft, -й, -я, -ие, and ья stems normally use -ями.
  4. The high-frequency -ьми group A small lexical set uses a short instrumental plural ending with ь; some nouns also have a regular variant.
  5. Multiple tools and means Instrumental plural presents several tools, media, vehicles, or methods as means.
  6. Accompaniment and groups с + instrumental plural marks companions or associated groups; ме́жду locates relations among plural reference points.
  7. Plural roles, professions, and states Predicate instrumental extends directly to plural classifications after being, becoming, and working as.
  8. Prepositions and plural spatial reference The singular static-position system extends to plural reference points with -ами/-ями.
  9. Oblique numerals and full agreement In an instrumental numeral phrase, both the numeral and the noun show the oblique relation.
  10. Instrumental plural and case-system assessment Use the final module assessment to integrate form choice across the six core cases and two numbers.
Mastery

Ready means you can...

  • form instrumental plural on regular and irregular plural stems
  • recognise the small high-frequency -ьми group
  • use plural tools, companions, roles, and spatial reference phrases
  • integrate oblique numeral and full-phrase agreement patterns across the noun system
Next module 2.13 Special Nouns, Names, and Restricted Forms Irregular stems, indeclinables, adjectival nouns, personal names, surnames, places, and extra case remnants