===== Present Simple =====
**What it is:** A tense for habits, routines, facts, and general truths.  
**What it’s for:** Talk about repeated actions and permanent situations.  
**Example:** “I usually drink coffee in the morning.”

===== Form =====
  * **Affirmative:** S + V1(s/es)  
    - I/You/We/They **work**  
    - He/She/It **works**
  * **Negative:** S + do/does not + V1  
    - I **don’t** work on Sunday.  
    - She **doesn’t** work on Sunday.
  * **Question:** Do/Does + S + V1?  
    - **Do** you work here?  
    - **Does** he work here?

===== When to use =====
  * **Habits/Routines:** “She goes to school every day.”
  * **Facts/Truths:** “Water boils at 100°C.”
  * **Schedules:** “The train leaves at 8.”

===== Common mistakes =====
  * “He go” ❌ → “He **goes**” ✅
  * “Does she goes?” ❌ → “Does she **go**?” ✅

===== Hard words (Glossary) =====
  * *routine* /ruːˈtiːn/: thói quen hằng ngày
  * *schedule* /ˈʃedjuːl/: lịch trình
  * *boil* /bɔɪl/: sôi