Hi Taka, I would say that "to" means "in order to". But I really don't know whether it is adverbial or adjectival (I don't know many terms and meanings). And I don't know exactly what it modifies either.
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KooyeenHi Taka,
I would say that "to" means "in order to". But I really don't know whether it is adverbial or adjectival (I don't know many terms and meanings). And I don't know exactly what it modifies either. I'd say it could be applied to the entire clause "Something extraordinary had certainly happened".
BuddhaheartTo determine whether this is adjectival or adverbial, ask the question why had something extraordinary (certainly) happened. It’s "to account for my waking up in this strange house with this unknown companion ..." In order "to account for
YankeeHi TakaHmm...then I have two native speakers here, you and Buddhaheart, crashing against each other...
I tend to agree with your book: it modifies "something extraordinary".
The sentence might be reworded like this to illustrate my thinking: