A sentence that has secondary parts, not only main parts.
what are the primary and secondary parts of business letter
No, "secondary students" should not be capitalized in the middle of a sentence unless it is a proper noun or at the beginning of a sentence.
Secondary consumers are herbivores that feed on primary consumers.
Secondary consumers seem to be gathering quickly.
Since the main road was blocked, he took a secondary road.
sentence parts
The three secondary parts of a triangle are typically associated with one word. They are commonly called the perpendicular bisectors of the triangle.
First we'll try to find it at the library, and the bookstore will be our secondary source.
the two parts of the sentence is the subject and predicate
the source is big dude
the subject of a sentence may be what parts of speech' call?