2. WHEN
• Is used to talk about two things that are happening at the same time.
Example :
• When drinking water, you’d better not gulp it down
• When you are eating, you’d better sit down.
3. BEFORE
• Is used to join one clause after another, “Before” and the subordinate
clause can come before or after the main clause.
Example :
• Before sleeping, it is to relax your mind.
• Before you go to sleep, you should avoid direct light.
4. AFTER
• Is used to connect two clauses, when a particular time has passed or
when an event or action has ended.
Example :
• After doing exercise, don’t eat a meal.
• After you have a meal, don’t go to bed.
5. Before – After in Past PerfectTense
and Simple Past
• Present Perfect Tense :
- Verbal : Had + Past Participle (V3)
- Nomina : Had + Been
• Simple Past :
- Verbal : V2
- Nomina : Was / Were
6. BEFORE - AFTER
E.g :
• I had take
abath before i
went to school.
E.g :
• I went to school after i had
taken a bath.
Past Perfect before
Simple Past
Simple Past after
Past Perfect
7. BEFORE - AFTER
E.g :
• Before I went to school, I had taken a
bath.
E.g :
• After I had taken a bath, I went to
school.
Before Simple Past,
Present tense
After Present Tense,
Simple Past