This paper attempts to compare subordinating conjunctions with transitive prepositions and prepositional adverbs with intransitive prepositions in an effort to enhance learners ' understanding of this new theory and improve their English grammar competence .

通过对从属连词与 及物介词，介词副词与不及物介词的比较，将进一步加深人们对这一创新理论的了解，提高英语 语法的应用能力。