Question

Select the five grammatical structures in which nominative case pronouns should be used.

A. object of a preposition
B. predicate noun
C. predicate adjective
D. appositive to any noun
E. subject of a sentence or clause
F. subject of an understood verb in a clause beginning with as or than
G. appositive to a noun acting as a subject or predicate noun
H. indirect object
I. following the infinitive to be when to be has no expressed subject