Home of English Grammar

Grammar Guide
  • Home
  • Exercises
  • Matches
  • Posts
  • Rules
  • Social Media Archive
  • Tools
    • Grammar Checker
    • Very Replacer
    • Word Counter
  • Vocabulary
  • Writing Guides
  • Try Pro Free

Conditional Sentences Exercise

December 26, 2021 - B1pdf

Fill in the blanks.

Progress 0 of 12 answered
1If I knew what he was up to, I ............... him go.
Wrong!
In this second conditional sentence, the correct main-clause form is "would not let".
2If she ............... more money, she could buy a home.
Wrong!
In this second conditional sentence, the correct if-clause form is "earned".
3If you eat more greens, your health ...............
Wrong!
In this first conditional sentence, the correct main-clause form is "will improve".
4If she had recognized you, she ............... you.
Wrong!
In this third conditional sentence, the correct main-clause form is "would have greeted".
5If I ............... her address, I could have contacted her.
Wrong!
In this third conditional sentence, the correct if-clause form is "hadn't lost".
6If she ............... timely treatment, she would die.
Wrong!
In this second conditional sentence, the correct if-clause form is "didn't receive".
7If you ............... the police, this crime could have been prevented.
Wrong!
In this third conditional sentence, the correct if-clause form is "had alerted".
8If he had invested his money, he ............... rich now.
Wrong!
In this mixed conditional sentence, the correct present result form is "would be".
9If you don't behave, I ............... you out.
Wrong!
In this first conditional sentence, the correct main-clause form is "will throw".
10If she had learned her lesson, she ............... the same mistake.
Wrong!
In this third conditional sentence, the correct main-clause form is "would not have committed".
11If you ............... right, you will be healthy.
Wrong!
In this first conditional sentence, the correct if-clause form is "eat".
12If she ............... aloud, I would have heard her.
Wrong!
In this third conditional sentence, the correct if-clause form is "had called".
Exercise complete
Score 0/12
Share your score!
More Exercises →

Answers

  1. If I knew what he was up to, I would not let him go.
  2. If she earned more money, she could buy a home.
  3. If you eat more greens, your health will improve.
  4. If she had recognized you, she would have greeted you.
  5. If I hadn’t lost her address, I could have contacted her.
  6. If she didn’t receive timely treatment, she would die.
  7. If you had alerted the police, this crime could have been prevented.
  8. If he had invested his money, he would be rich now.
  9. If you don’t behave, I will throw you out.
  10. If she had learned her lesson, she would not have committed the same mistake.
  11. If you eat right, you will be healthy.
  12. If she had called aloud, I would have heard her.
ENGLISHGRAMMAR PRO

Learn the grammar behind this exercise

An exercise shows you where you go wrong. EnglishGrammar Pro shows you how to put it right: a short lesson for every mistake you keep making, from the basics to advanced English.

Related lesson in Pro Verb forms in if-sentences Module 04: Tenses & verb forms · Lesson 16

  • 105 short lessons in 10 modules, in the right order
  • 63 Pro exercises in all, with up to 10 new ones every week
  • Your progress stored in your Pro account
See what’s inside Pro

Already a Pro member? Log in

  • Share
  • Post
  • Post
  • Reddit
  • Email
  • WhatsApp
NEW: Try Matches, our daily vocabulary challenge. Pick a topic and level and match words with definitions to boost your vocabulary.
2,485,429 
761,532 
Improve Your English
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.
Grammar Checker - Try Now

Latest Posts

  • Approach vs. method vs. procedure vs. process vs. technique October 9, 2026
  • 100 Best Synonyms for “Practices” October 9, 2026
  • 100 Best Synonyms for “Once” October 9, 2026
  • 100 Best Synonyms for “Expectations” October 9, 2026
  • 100 Best Synonyms for “Diminished” October 9, 2026
  • 100 Best Synonyms for “Omitted” October 9, 2026
  • 100 Best Synonyms for “Possess” October 9, 2026

Copyright © 2026 · EnglishGrammar.org
Contact · Disclaimer · Privacy Policy · Refund Policy · Sitemap · Terms

Improve Your English
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.