Editing Sentence diagram (section)

==Reed-Kellogg system==

Simple sentences in the Reed–Kellogg system are diagrammed according to these forms:

[[File: Sentence-diagram1.jpg|Basic Reed–Kellogg schema]]
	 
The diagram of a simple sentence begins with a horizontal line called the ''base''. The [[subject (grammar)|subject]] is written on the left, the [[predicate (grammar)|predicate]] on the right, separated by a vertical bar that extends through the base. The predicate must contain a [[verb]], and the verb either requires other sentence elements to complete the predicate, permits them to do so, or precludes them from doing so. The verb and its [[object (grammar)|object]], when present, are separated by a line that ends at the baseline. If the object is a [[direct object]], the line is vertical. If the object is a [[subject complement|predicate noun]] or [[predicate adjective|adjective]], the line looks like a [[backslash]], \, sloping toward the subject.

[[Grammatical modifier|Modifiers]] of the subject, predicate, or object are placed below the baseline:

[[File: Examples of Reed-Kellogg diagrams.jpg|Full Reed–Kellogg examples]]

Modifiers, such as [[adjective]]s (including articles) and [[adverb]]s, are placed on slanted lines below the word they modify. Prepositional phrases are also placed beneath the word they modify; the preposition goes on a slanted line and the slanted line leads to a horizontal line on which the object of the preposition is placed.

These basic diagramming conventions are augmented for other types of sentence structures, e.g. for [[coordination (linguistics)|coordination]] and [[dependent clause|subordinate clauses]].