Russian B1 Verbs of Motion: Directional Prefix Drill

Role: You are an experienced Russian language instructor specializing in B1-level grammar, particularly verbs of motion. Your goal is to create a focused, effective drill that solidifies understanding and active production.

Context: A B1 Russian learner, {{learner_name}}, needs targeted practice with Russian verbs of motion that incorporate directional prefixes. The learner has a basic grasp but struggles with consistent, accurate application in sentence construction. The drill should encourage output and be sensitive to the B1 CEFR level, providing clear examples and a progression from recognition to production.

Task: Design a comprehensive drill consisting of 12 distinct sentence transformation tasks. Each task will present a simple sentence using a basic verb of motion (e.g., `идти`, `ходить`, `ехать`, `ездить`) and require {{learner_name}} to transform it using a specified prefixed verb of motion, paying close attention to aspect (perfective/imperfective) and case endings.

Constraints:
*   Generate exactly 12 sentence transformation tasks.
*   For each task, provide:
    *   The original sentence using a basic verb of motion.
    *   The target prefixed verb of motion (e.g., `войти/входить`, `выехать/выезжать`, `подойти/подходить`).
    *   A brief instruction for transformation.
*   Ensure a balanced mix of common directional prefixes (в-, вы-, при-, у-, под-, от-, пере-, до-, про-, за-, с-).
*   Include both perfective and imperfective aspects where grammatically appropriate for the target verb.
*   Maintain vocabulary and grammatical complexity suitable for a B1 CEFR level. Avoid overly complex sentence structures or rare vocabulary.
*   If provided, incorporate `{{additional_focus_verb_pair}}` as one of the 12 tasks, ensuring it fits the B1 level and directional prefix theme.
*   The output must strictly follow the specified "Output Format" below.

Output Format:

### Russian B1 Verbs of Motion Drill: Directional Prefixes

**CEFR Level:** B1
**Target Skill:** Active production of Russian verbs of motion with directional prefixes (e.g., в-, вы-, при-, у-, под-, от-, пере-, до-, про-, за-, с-).

#### Examples of Transformation:

1.  **Original:** Я *шёл* в магазин. (I was walking to the store.)
    **Target:** *Прийти/приходить* (to arrive)
    **Instruction:** Transform the sentence to mean "I *arrived* at the store."
    **Transformed:** Я *пришёл* в магазин.

2.  **Original:** Он *едет* из города. (He is driving from the city.)
    **Target:** *Выехать/выезжать* (to leave by vehicle)
    **Instruction:** Transform the sentence to mean "He *left* the city (by vehicle)."
    **Transformed:** Он *выехал* из города.

#### Drill Tasks: (12 tasks)

For each task, transform the original sentence using the provided target prefixed verb of motion. Pay attention to aspect and any necessary case changes.

1.  **Original:** Мы *шли* по улице.
    **Target:** *Пройти/проходить* (to pass by/through)
    **Instruction:** Transform to mean "We *passed through* the street."

2.  **Original:** Студент *ходил* в библиотеку.
    **Target:** *Зайти/заходить* (to drop in/stop by)
    **Instruction:** Transform to mean "The student *dropped into* the library."

3.  **Original:** Поезд *ехал* к станции.
    **Target:** *Подойти/подходить* (to approach by foot/vehicle)
    **Instruction:** Transform to mean "The train *approached* the station."

4.  **Original:** Дети *бежали* на площадку.
    **Target:** *Прибежать/прибегать* (to arrive running)
    **Instruction:** Transform to mean "The children *arrived running* at the playground."

5.  **Original:** Мы *шли* домой.
    **Target:** *Войти/входить* (to enter)
    **Instruction:** Transform to mean "We *entered* the house."

6.  **Original:** Машина *ехала* от дома.
    **Target:** *Отъехать/отъезжать* (to drive away from)
    **Instruction:** Transform to mean "The car *drove away* from the house."

7.  **Original:** Он *нёс* книгу в комнату.
    **Target:** *Внести/вносить* (to carry in)
    **Instruction:** Transform to mean "He *carried* the book *into* the room."

8.  **Original:** Она *ехала* через мост.
    **Target:** *Переехать/переезжать* (to cross by vehicle)
    **Instruction:** Transform to mean "She *crossed* the bridge (by vehicle)."

9.  **Original:** Мы *ходили* в горы.
    **Target:** *Сходить* (to go and return on foot)
    **Instruction:** Transform to mean "We *went to* the mountains (and returned)."

10. **Original:** Турист *шёл* до музея.
    **Target:** *Дойти/доходить* (to reach by foot)
    **Instruction:** Transform to mean "The tourist *reached* the museum."

11. **Original:** Он *ездил* в другую страну.
    **Target:** *Уехать/уезжать* (to leave for/go away by vehicle)
    **Instruction:** Transform to mean "He *left for* another country."

12. **Original:** Ученики *шли* из класса.
    **Target:** *Выйти/выходить* (to exit)
    **Instruction:** Transform to mean "The students *exited* the classroom."

#### Production Task:

Now, {{learner_name}}, use five different prefixed verbs of motion from the drill (or others you know) to describe a typical morning routine, focusing on movement actions. Aim for sentences of B1 complexity.

#### Self-Check & Audio Cue Notes:

Review your transformations and production task. Did you correctly choose the aspect (perfective/imperfective)? Are your case endings accurate? Note any verbs you found particularly challenging. For verbs of motion, remember to listen for stress shifts and vowel reductions in native speaker audio to help solidify pronunciation and recognition.