===== Foundations =====
**What it is:** The core “building blocks” of English (levels, sentence parts, basic grammar ideas).  
**What it’s for:** Learn faster, avoid gaps, and choose the right materials.  
**Example:** If you know your level (A2/B1), you can pick the right texts and listening.

===== Sub-keywords =====
  * [[english:foundations:cefr|CEFR Levels (A1–C2)]]
  * [[english:foundations:parts-of-speech|Parts of Speech]]
  * [[english:foundations:sentence|Sentence Basics]]
  * [[english:foundations:common-mistakes|Common Mistakes]]

===== Hard words (Glossary) =====
  * *foundation* /faʊnˈdeɪʃən/: nền tảng
  * *building block* /ˈbɪldɪŋ blɒk/: “viên gạch” nền (thứ cơ bản để xây lên)
  * *material* /məˈtɪəriəl/: tài liệu