You can think of it like this:
The basic idea of particle is "A then B". As quotation is a kind of exception, **it is rare that quotation doesn't come with such verbs as etc** , though some fixed phrases might not.
As for your sentences, both follows the idea of "A then B".
1: Conditional -- but it might be the same as 2.
2: See 2-5 of this dictionary entry:
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