A "contrary to fact conditional statement" is a type of conditional sentence (an "if...then..." statement) where the "if" clause describes a situation that is known to be untrue or impossible in reality. Because the "if" condition is not true, the "then" result is also unreal or hypothetical.
These are also often called "unreal conditionals" or "hypothetical conditionals."
Refers to a situation that is untrue now or an unlikely possibility in the future.
Structure: If + Simple Past Tense
, would/could/might + base form of verb
Meaning: The "if" part is not true in the present or future.
Examples:
Note: For the verb "to be" in the "if" clause of present/future contrary to fact conditionals, we usually use "were" for all subjects (even singular ones like "I," "he," "she," "it"). While "was" is sometimes used informally, "were" is grammatically preferred. (e.g., "If I were you...")
Refers to a situation that did not happen in the past. It expresses regret or a missed opportunity.
Structure: If + Past Perfect Tense
, would have/could have/might have + past participle
Meaning: The "if" part did not happen in the past.
Examples:
In both types, the key characteristic is that the "if" clause describes a situation that goes against the actual facts or reality.