Когда я перевожу с Р на А, я сначала формирую понятие в голове, 
то есть Р - нечто абстрактное - А. 
По идее, это абстрактное должно работать между любыми языками..

1a. Menu for PDF + 2a. PDF with vocabulary 
1/2b. Vocabulary  [words, expressions, grammatical constructs]
3. Menu for Active Recall and spaced repetition 
   + suggested options:
- multiple choice
- 1st letter, heavy hints
- cloze (variety, see url)
- deliberate errors 
- translation 
- repair drills 

cuestionario de opción múltiple, pistas claras, errores deliberados, 
repetición espaciada, ejercicio práctico de reparación, muy suave, 


Stage 1 — Vocabulary (multiple choice, 1st letter, cloze)
Stage 2 — Sentence frames
Stage 3 — Active Recall in both directions
Stage 4 — Mini-scenarios
Stage 5 — Question-supported speaking
Stage 6 — Controlled transformations + deliberate errors

We can transform:
singular → plural
present → past
fox → wolf
cheese → meat
successful ending → unsuccessful ending
foolish animal → clever animal
direct statement → reason with quod
two short sentences → one sentence with sed, quia, cum, or ut

Stage 7 — Translation into Latin
+
Stage 8 — Retelling Aesop-style fables
Stage 9 — Your five-sentence fable
Stage 10 — Simulated speaking-group conversation

Mind maps and similar (?)

Spaced repetition