0 in grammar, a word that is used before a noun, a noun phrase, or a pronoun, connecting it to another word -- 介词，前置词
As a result, the primary prepositions look a lot like phonological words that are subject to such adjustments.
This generalisation extends to the treatment of prefixes and prepositions.
Unfortunately, to also behaves differently from other prepositions in a number of ways, in particular, with respect to time.
In this study, the grammatical measure included omissions of articles, prepositions, auxiliary verbs, and contractions, and incorrect usage of word order and negatives.
As opposed to open classes, closed classes consist of a finite and well-established number of words as, for instance, prepositions, articles, wh-words, etc.
Indeed, short words such as articles or prepositions generally have many occurrences in a text.
It is possible that children will continue to have difficulty with the use of some prepositions even into the early elementary school years.
With other prepositions, definite nominal gerunds remain relatively marginal throughout the period examined.
