Conditionals — Mastery

LESSON
Lesson Reference
Grammar rules and examples for self-study
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REVIEW
Review Exercises
Fill-in and gap-fill practice tasks
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ANSWER KEY
Answer Key
Correct answers for all exercises
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Conditionals — Mastery

Grammar Reference

Form Example
Six typeszero · 1st · 2nd · 3rd · mixed A · mixed Ball combinations of time
InversionHad I / Were I / Should you / Were it not forformal register, drops "if"
Alternativesprovided that / as long as / unless / in caseprecise shades of condition
Wish / if only+ past / + past perfect / + wouldwish I knew / wish I had studied
It's (high) time+ past simpleit's time you left

Conditionals — Mastery — Exercises

Exercises

  1. Invert: "If I had realised the problem, I would have fixed it."
  2. Invert: "If she were more patient, she would succeed."
  3. Write a mixed conditional: past action, present result.
  4. Replace "if" with "but for": "If it had not been for his support, I would have given up."
  5. Replace "if" with "provided that": "If you arrive before 9am, you will get a seat."
  6. Rewrite as inverted mixed: "If they had planned carefully, they would be in a better position now."

Exercise 2 — Production

  1. Write an inverted conditional (Had / Were / Should) with a complete main clause.

Conditionals — Mastery — Answer Key

Exercises

  1. Sample answer: Had I realised the problem, I would have fixed it.
  2. Sample answer: Were she more patient, she would succeed.
  3. Sample answer: If I had taken that job, I would be living in New York now.
  4. Sample answer: But for his support, I would have given up.
  5. Sample answer: Provided that you arrive before 9am, you will get a seat.
  6. Sample answer: Had they planned carefully, they would be in a better position now.

Exercise 2 — Production

  1. Open answer — graded automatically online; no single fixed model answer.