Select the five grammatical structures in which nominative case pronouns should be used. object of a preposition
1 predicate noun
2 predicate adjective
3 appositive to any noun
4 subject of a sentence or clause
5 subject of an understood verb in a clause beginning with as or than
6 appositive to a noun acting as a subject or predicate noun
7 indirect object
8 following the infinitive to be when to be has no expressed subject

1. Subject to a sentence or clause,

2. subject of an understood verb in a clause beginning with as or than, 

3.appositive to a noun acting as a subject or predicate noun,  

4.following the infinitive to be when to be has no expressed subject.

i really dont know the answer so i cant

in his speech "i have a dream," king states the plight of african americans, as he argues that after the civil war, slaves were promised equal rights and freedoms, but that these promises have not materialized.

he goes on to say that there are those who ask "when will you be satisfied? " implying that african americans alread enjoy a lot. in order to attack this argument, king lists examples of civil rights struggles that african americans still face, such as police brutality, segregation and racial prejudice.