Question

1. If the weather permits, I'll go camping.

2. If weather permits, I'll go camping.

3. The weather permitting, I'll go camping.

4. Weather permitting, I'll go camping.
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Do we have to use 'the' or not in the sentences? Which ones are gramatically correct?

Answer 1

All are correct -- but, you're right, you don't need "the" as in #3.