0| Zero Conditional Sentences |
| Used for general truths, scientific facts, or habitual actions. |
| If + present simple, present simple |
| Examples: |
| If you eat too much, you feel sick. |
| If you drop a glass, it breaks. |
| If you don't study, you fail the exam. |
| If the sun sets, it gets dark. |
| If you touch fire, you get burned. |
| If it rains, the grass gets wet. |
| If you squeeze a lemon, juice comes out. |
| If my son smiles, I feel happy. |
| If you meet him, ask him to call me. |
