400. There are some auxiliary verbs, and preposition forms employed to introduce the subject, which then appears in the form of a subordinate sentence.

Obs. These words are not indispensable to the introduction of a subject as a subordinate clause; e.g. 大是大個 tú‘ ’zz dú‘ kú‘, as to size it is large.

401. Similar to these is the construction of the verb forms prefixed to interrogative pronouns which thereby become relatives.

402. Subordinate clauses expressive of time and place, are placed before the principal clauses.

403. The subject consisting of a verb and substantive, often takes the form of a subordinate introductory clause.

404. Many subordinate circumstantial clauses are introduced by verbs and precede the principal proposition.