Zero Conditional Exercises – Zero Conditional Worksheets

May 14, 2025 by Liam Daniel

The zero conditional is an important structure for talking about facts, general truths, and habits — situations where one thing always leads to another. It uses the present simple tense in both parts of the sentence and shows that the result is always true when the condition is met.

Our zero conditional worksheets will help you practice forming these sentences through fill-in-the-blank exercises, matching activities, and sentence rewriting tasks. These activities are designed to make it easier for learners to understand and use the zero conditional correctly in everyday conversation.

For a deeper understanding of how conditionals work, check out these helpful study articles:

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Zero Conditional Exercises

Zero Conditional Exercise 1: Complete the Sentences

Complete each sentence with your own ideas, using the Zero Conditional structure.

  1. If you mix red and blue, ___________________________________.

  2. If a dog sees a stranger, ___________________________________.

  3. If students pay attention in class, ___________________________________.

  4. If you don’t brush your teeth, ___________________________________.

  5. If it gets cold, ___________________________________.

  6. If you press this button, ___________________________________.

  7. If people don’t wear seatbelts, ___________________________________.

  8. If you leave bread outside, ___________________________________.

  9. If cats see a mouse, ___________________________________.

  10. If you don’t water a cactus, ___________________________________.

Answer: (Answers will vary — example answers:)

  1. you get purple
  2. it barks
  3. they learn more
  4. your teeth get cavities
  5. it snows
  6. the machine starts
  7. they get injured
  8. it gets moldy
  9. they chase it
  10. it survives for a long time

Zero Conditional Exercise 2: Find and Correct the Mistakes

Each sentence has a mistake. Rewrite it correctly using the Zero Conditional.

  1. If you will heat water, it boils.
    → ___________________________________________________

  2. If people eats too much, they gets sick.
    → ___________________________________________________

  3. If the sun set, it got dark.
    → ___________________________________________________

  4. If you mixes yellow and blue, you get green.
    → ___________________________________________________

  5. If water freeze at 0°C, it boils.
    → ___________________________________________________

  6. If you open a book, knowledge come out.
    → ___________________________________________________

  7. If my sister not sleeps enough, she gets cranky.
    → ___________________________________________________

  8. If ice melts, it turn into water.
    → ___________________________________________________

  9. If the alarm ring, we wakes up.
    → ___________________________________________________

  10. If you eats too fast, you feels sick.
    → ___________________________________________________

Answer:

  1. If you heat water, it boils.
  2. If people eat too much, they get sick.
  3. If the sun sets, it gets dark.
  4. If you mix yellow and blue, you get green.
  5. If water freezes at 0°C, it doesn’t boil.
  6. If you open a book, knowledge comes out.
  7. If my sister does not sleep enough, she gets cranky.
  8. If ice melts, it turns into water.
  9. If the alarm rings, we wake up.
  10. If you eat too fast, you feel sick.

Zero Conditional Exercise 3: Match the Halves

Match the beginning of each sentence with its correct ending.

Column A Column B
11. If you don’t water flowers, a. they get cavities.
12. If you touch a flame, b. it falls to the ground.
13. If children eat too much candy, c. they die.
14. If you drop a glass, d. you get burned.
15. If you exercise every day, e. your body becomes stronger.

Answer: 1c, 2d, 3a, 4b, 5e

Zero Conditional Exercise 4: Choose the Correct Ending

Choose the correct ending to complete each Zero Conditional sentence.

  1. If you drop glass,
    a) it sings.
    b) it falls and breaks.
    c) it flies away.

  2. If you drink coffee at night,
    a) you fall asleep faster.
    b) you stay awake longer.
    c) you get cold.

  3. If cats see a bird,
    a) they run away.
    b) they chase it.
    c) they ignore it.

  4. If you mix sugar with water,
    a) it freezes.
    b) it dissolves.
    c) it burns.

  5. If a child cries,
    a) it rains.
    b) they are happy.
    c) something is wrong.

Answer: 1b, 2b, 3b, 4b, 5c

Zero Conditional Exercise 5: Correct the Word Order

  1. you / touch / you / get burned / if / fire
    → ___________________________________________________

  2. rains / you / wet / if / get
    → ___________________________________________________

  3. see / if / they / a mouse / cats / chase / it
    → ___________________________________________________

  4. eat / you / sick / too much / feel / if / you
    → ___________________________________________________

  5. plants / die / water / you / if / them / don’t
    → ___________________________________________________

Answer:

  1. If you touch fire, you get burned.
  2. If it rains, you get wet.
  3. If cats see a mouse, they chase it.
  4. If you eat too much, you feel sick.
  5. If you don’t water plants, they die.
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