02br 00Each sentence, as in your previous posting, contains only one main clause. In #2 and #3 a zero-01i 00that02i 00 (omitted 01i 00that02i 00) exists as a subordinating conjunction (#2 is punctuated incorrectly). #1, on the other hand, contains an interjection-- a parenthetical disjunct called a comment clause.
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