Real, unreal and impossible conditions: zero, first, second and third conditionals. · about 15 minutes
Step 1 of 5
What is it? A conditional sentence has an if-clause (the condition) and a main clause (the result). The verb forms tell you how real or likely the condition is: zero (always true), first (real and possible), second (unreal or unlikely), third (impossible, in the past).
Why does it matter? Conditionals let you talk about facts, plans, dreams and regrets precisely - and are common in exams and everyday speech.
Where do we use it? "If you heat ice, it melts." "If I win, I'll share the prize." "If I were a bird, I would fly." "If I had studied, I would have passed."
In this lesson you will: