1. Subject: ["Thou shalt not covet," is the tenth commandment].
2. Object: [I know what you wish].
3. Appositive: [The truth that the earth is spherical is generally believed].
4. Attribute complement: [The truth is that she is not well].
Modifying clauses show adjective and adverbial constructions.
Thus:—
1. Adjective: [The house which you see is mine].
2. Adverb: [I will go when it is possible].
B. Subordinate clauses may also be classified according to the introductory word.
(a) Clauses introduced by relative or interrogative pronouns: who, which, what, that (= who or which), as (after such), and the compound relatives, whoever, whichever, whatever (the first three are both relative and interrogative): [The school that stands on the hillside is painted white. I know whom you mean].