Advanced conditionals
Advanced conditionals
Should you need help… Had I known… Unless, provided that, supposing, but for. Conditionals beyond the basic three — C1 style and precision.
unless, provided that, as long as, in case
unless = if… not: Unless it rains, we’ll go out. (= If it doesn’t rain)
provided (that) / providing (that) = only if: You can borrow the car provided you drive carefully.
as/so long as = on condition that: I’ll come as long as you’re there.
in case = for precaution: Take an umbrella in case it rains.
Inverted conditionals — formal
👉 Drop if, invert the auxiliary:
Should you need help, call me. (If you should need…)
Had I known, I would have acted. (If I had known…)
Were I you, I’d apologize. (If I were you…)
Were it not for your help… (without)
supposing, but for, otherwise
supposing / what if = imagine: Supposing you won the lottery — what would you do?
but for = without: But for your help, I’d have failed.
otherwise = if not: You must leave now, otherwise you’ll miss the train.
👉 Mixed inversion + past: Had it not been for the delay, we’d be home now.
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