Blundering at every point, she made a very bad situation worse.
she - a subject;
made - a predicator (a verb);
a very bad situation - a direct object;
worse - a complement (of the direct object);
Blundering at every point - an adjunct (a non-finite clause with "Blundering" as its head).
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Is my analysis correct?
I think that Blundering at every point is a participial clause.
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