Grammar

Zero Conditional: Expressing Universal Truths and Rules

1. Understanding the Zero Conditional Form

The Zero Conditional follows this pattern:

✓ If + Present Simple, Present Simple
✓ When/Whenever + Present Simple, Present Simple

Examples:
– If water reaches 100°C, it boils
– When you heat ice, it melts
– If you don’t water plants, they die

Key Terms

reachto arrive at a particular point or levelboilto heat liquid until it becomes gasmeltto change from solid to liquid by heating

2. When to Use the Zero Conditional

We use the Zero Conditional for:

✓ Scientific facts:
– If you mix blue and yellow, you get green

✓ General truths:
– If people don’t sleep, they feel tired

✓ Rules and regulations:
– If you park here, you pay a fine

✓ Habits and routines:
– When I feel stressed, I go for a walk

Key Terms

mixto combine two or more things togetherfinemoney you must pay as punishmentstressedfeeling worried or anxious

3. Key Features and Tips

Remember these important points:

✓ Both parts use the present simple tense
✓ The result is always true
✓ You can often replace if with when or whenever
✓ The order of clauses can be changed
✓ Use can instead of present simple for ability

Key Terms

clausea part of a sentence containing a subject and verbabilitybeing able to do something

💬 Typical Conversations

At the Science Museum

A guide explains basic science to visitors

Child: “What happens if we put this magnet near these metal clips?”Guide: “Well, if we bring the magnet close to the clips, they stick to it immediately.”Child: “And if we move it away?”Guide: “When we move it away, the clips fall down. It happens every time!”

House Rules

A parent explaining house rules to a teenager

Parent: “Remember, if you want to use the car, you need to ask first.”Teen: “I know. And if I return it late, I lose car privileges for a week.”Parent: “Exactly. Also, when you finish driving, you always fill up the tank.”Teen: “Got it. These rules never change!”

📝 Key Vocabulary Recap

zero conditional→a grammar structure used for things that are always truescientific fact→something that is always true in sciencegeneral truth→something that happens all the time as a ruleregulation→an official rule that must be followedclause→a part of a sentence containing a subject and verbpresent simple→the basic present tense used for facts and habits