Zero Conditional Examples (100 Sentences!)

The Zero Conditional is used to talk about facts, rules, or general truths — things that are always true when a condition is met. It describes cause-and-effect relationships that are scientifically, logically, or habitually true. Learn to express facts and routines like a native speaker with these 100 Zero Conditional examples and master this structure today!

🧠 Structure:

If + Present Simple, Present Simple

✅ Both parts of the sentence (condition + result) use the present simple tense.

✅ Affirmative Sentences

If you heat water to 100°C, it boils.
If it rains, the grass gets wet.
If you mix red and blue, you get purple.
If people don’t eat, they get hungry.
If you drop ice in water, it floats.
If the sun sets, it gets dark.
If you water plants, they grow.
If the temperature falls below zero, water freezes.
If students study, they learn.
If children are tired, they cry.
If you turn the key, the car starts.
If I press this button, the light turns on.
If you stretch a rubber band, it expands.
If you add sugar to tea, it tastes sweet.
If dogs see cats, they bark.
If I eat too fast, I get hiccups.
If people work out, they stay fit.
If you heat metal, it expands.
If you push this door, it opens.
If babies are hungry, they cry.
If we skip breakfast, we feel weak.
If the fire alarm rings, everyone leaves the building.
If water reaches 0°C, it freezes.
If cats are scared, they hide.
If students don’t understand, they ask questions.
If you press this switch, the fan starts.
If we eat too much, we gain weight.
If it gets cold, we wear jackets.
If you don’t sleep well, you feel tired.
If I don’t drink coffee, I get a headache.
If people don’t exercise, they get unhealthy.
If you forget your umbrella, you get wet.
If I’m stressed, I listen to music.
If ice melts, it turns into water.

❌ Negative Sentences

If you don’t water plants, they die.
If the sun doesn’t shine, the room stays dark.
If people don’t sleep, they feel tired.
If metal isn’t heated, it doesn’t expand.
If you don’t eat, you don’t feel strong.
If students don’t study, they don’t pass exams.
If you don’t press the button, the machine doesn’t work.
If cats aren’t hungry, they don’t meow.
If I don’t walk daily, I feel lazy.
If it doesn’t snow, the roads stay clear.
If she doesn’t practice, she doesn’t improve.
If the clock doesn’t work, we don’t know the time.
If children aren’t tired, they don’t nap.
If the light isn’t on, I can’t read.
If you don’t clean your room, it gets dirty.
If babies aren’t fed, they cry.
If people don’t wear helmets, they get injured.
If the soup isn’t hot, I don’t like it.
If water isn’t clean, we don’t drink it.
If it doesn’t rain, the crops don’t grow.
If a car isn’t fueled, it doesn’t move.
If the phone doesn’t ring, I don’t answer.
If plants don’t get sunlight, they don’t grow.
If you don’t check your email, you miss updates.
If you don’t wear gloves, your hands get cold.
If the battery isn’t charged, the phone dies.
If people don’t recycle, pollution increases.
If I don’t hear music, I feel bored.
If the dog doesn’t bark, I worry.
If the gate isn’t locked, the dog escapes.
If you don’t turn off the oven, the food burns.
If we don’t leave now, we miss the bus.
If students don’t ask questions, they stay confused.

❓ Interrogative Sentences

What happens if you touch fire?
What do you do if it rains?
If water boils, does it turn to steam?
If she studies hard, does she get good grades?
If dogs see strangers, do they bark?
If you don’t eat, do you get dizzy?
If I press this, does it start?
Do plants die if you don’t water them?
If kids are hungry, do they cry?
If I eat spicy food, do I get sick?
Does ice melt if it gets warm?
If he runs fast, does he win?
If cats see birds, do they chase them?
If the light turns green, do we go?
If you exercise daily, do you feel better?
If the bell rings, do we go to class?
Does she smile if she’s happy?
If you shout, does it echo?
Do you get sleepy if you read in bed?
If you open that door, does it make noise?
Do I get an email if someone replies?
If the dog is scared, does it hide?
If we mix yellow and blue, do we get green?
If he watches horror movies, does he get scared?
If the power goes out, do the lights turn off?
Do you sneeze if you smell pepper?
Does the car stop if you press the brake?
If the teacher asks a question, do you answer?
If the printer jams, does it stop working?
If we forget the password, do we get locked out?
If she hears a noise, does she get nervous?
If it’s cloudy, do we bring umbrellas?
If it gets cold, do the windows freeze?

Use these Zero Conditional examples to strengthen your understanding of real-world logic in English! Try making your own sentences based on daily routines or scientific facts.