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IF, EVEN IF, ONLY IF, AS LONG AS, PROVIDED, SUPPOSING, UNLESS, BUT FOR, IF NECESSARY, IF SO, IN CASE

IF and WHEN When can replace if in zero conditionals: If you heat water to 100 degrees Celsius, it boils. When you heat water to 100 degrees Celsius, it boils. In the other types of conditionals, we cannot use when instead of if. EVEN IF Even if emphasise...

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