Source: p 37, A Student's Introduction to English Grammar (2005) by Huddleston and Pullum
Nevertheless, subordinate subjunctives like [iii] are structurally very like subordinate clauses with primary verb-forms...
Please help me dig deeper than the bolded's meaning, which I ask NOT about.
I guess here: very is an adverb (see Defn 1), and like is a preposition (see Defn 1). Am I right?
The bolded phrase sounds grammatically strange and wrong.
What about in general, for any adverb and preposition?