Understanding the Zero Conditional

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Understanding the Zero Conditional
The zero conditional, also known as the 'universal truth' conditional, is a grammatical structure in English used to express general statements or scientific facts that are always true, regardless of time or circumstance.
by jamolidin Tashpulatovich

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Structure of Zero Conditional Sentences
If-Clause
The if-clause uses the simple present tense.
Main Clause
The main clause also uses the simple present tense.

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When to Use the Zero Conditional
1
General Truths
To express universal facts or scientific laws that are always true.
2
Habitual Actions
To describe regular or habitual actions or events.
3
Instructions
To provide instructions or directions, especially for processes or procedures.

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Examples of Zero Conditional Sentences
General Truths
If water reaches 100°C, it boils.
If you heat ice, it melts.
Habitual Actions
If I get up early, I go for a run.
If the sun shines, the flowers bloom.
Instructions
If you want to bake a cake, first preheat the oven.
If you mix red and blue paint, you get purple.

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Zero vs. First Conditional
Zero Conditional
Expresses general, universal truths.
Uses simple present tense in both clauses.
First Conditional
Expresses a possible future outcome.
Uses will/won't in the main clause.

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Forming Zero Conditional Sentences
Affirmative
If + simple present, simple present
Negative
If + simple present, don't/doesn't + verb

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Common Zero Conditional Verbs
Boil
If water reaches 100°C, it boils.
Freeze
If the temperature drops below 0°C, water freezes.
Grow
If you plant seeds, they grow into plants.
Melt
If you heat ice, it melts.

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Practising the Zero Conditional
If you mix blue and yellow paint,
you get green.
If the sun shines,
the grass grows.
If you drop a ball,
it falls to the ground.
If you heat water,
it evaporates.