ほとんどすべて

expression, noun which may take the genitive case particle 'no'

almost all; nearly all

Used as a noun-like expression followed by の or as an adverbial phrase. Emphasizes that the quantity or proportion is very close to 100%.

• ほとんどすべての学がく生せいがその試し験けんに合ごう格かくした。

  Almost all of the students passed the exam.

• 彼かれの作さく品ひんはほとんどすべて読よんだ。

  I've read nearly all of his works.