English Grammar Lesson Conditional Sentences Using “If” in Past, Present, & Future Imaginary Situations.

Yesterday, we studied how to use if to talk about present and future true situations. Today, I am going to teach you how to use if to talk about past, present, & future imaginary situations.

We can use if when we talk about present & future imaginary situations. When you talk about an unreal or improbable situation in the present or future, we use if + past verb, would/could + present verb. Could suggests one possibility among others I am imagining, an would suggests one particular situation or dream. Look at these examples:

  • If I won the lottery, I could buy a yacht. I imagine a yacht as one of the things I could possibly buy.
  • If I won the lottery, I would buy a yacht. I am certain that I a yacht is the thing I would buy and I am not imagining buying other things.

Here are a few more examples:

  • If I knew her name, I would tell you.
  • If I were* an animal, I would be a dog.

*Note that after if, we use were, not was, so we don’t say “If I was an animal ~”

We can also use if when we talk about past imaginary situations. When you talk about an unreal or improbable situation in the past, we use if + had + pp verb, would/could + have + pp verb. We often use this grammar when we have a regret about the past or we wish that the past situation had been different.

  • If I had known her name, I would have told you
  • If I had won the lottery, I would have bought a yacht.
  • If I had married her when I had the chance, I would have been happy.
  • If I had known about the exam, I would have studied.

How about trying to write an original sentence using one or both of the above patterns. Use the comment box below!



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