Early on in anyone’s German career they will encounter coordinating conjunctions — that is simple joining words that link together two independent clauses. Brilliant! Almost no grammar needed here. Get rid of the full stop and put in your conjunction to link two sentences. The only thing you need to remember is the logic of the sentences that you’re combining. Are the ideas related enough to justify linking them with und (and) or is the second clause really an alternative to the first and therefore needs to use aber (but). And then comes denn (because).
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