sentence analysis (21/05/06)

Dear teachers,

Would you please check my analysis ?

1) The Himalayas is one of the eight most difficult mounts to climb.

One = ordinal used as an indefinte pronoun
Eight = ordinal used as ????
Most = superlative used as an adverb
Difficult = descriptive adjective
Mounts = noun
To = preposition
Climb = non-finite verb ??

The Himalayas = S
is = verb
one of the ... mounts + to climb (?) = subject complement ?
(or should "to climb" be analysed separately ?)

2) Mr Parker was once one of the best teachers in this school.

Mr Parker = S
was = intensive verb
once = adverbial of time
one of the best teachers of this school = subject complement ?

Thanks again for your kindness,
Hela