Zero Conditional in English Grammar
1. Use
general facts
2. Form
| if clause | main clause |
|---|---|
| Simple Present | Simple Present |
3. Examples
| if clause | main clause |
|---|---|
| If you freeze water, | it expands. |
| If you mix yellow and red, | you get orange. |
The if-clause can be at the beginning or at the end of a sentence.
| if clause | main clause |
|---|---|
| If I mix yellow and red, | you get orange. |
| main clause | if clause |
|---|---|
| You get orange | if you mix yellow and red. |
The word if can almost always be substituted with when or whenever without changing the meaning.