How to use zero, 1st, 2nd and 3rd conditionals (if sentences)
Updated: November 2024
There are four kinds of conditional sentences. The zero conditional describes real or specific situations, while unreal Conditionals describe unreal, imaginary situations or hopes for the future. With unreal conditionals, there is a difference in the likelihood of them happening. However, they don’t refer to the past. The 3rd conditional is for past regret, how something could be different or a past hypothetical situation.