"in+Place Word" Located In The Beginning Of A Sentence "in" Looming Law And Teaching

When “in+place word”located in the beginning of a sentence, word “in”surfaces or not mainly in the existential sentence and the adverbia sentence. Inaddition to existential sentence of “there be”and “verb+ing” sentence,and the firstsentence of adverbial position word “in” looming exists special exceptions. Othersentences "in" surfaces in common. If the preposition “in” cited place word whichhas other before the mediated modifications or parallel place words before it, makethe cited ingredients complicate or lengthen, then “in”may appear;if not,then “in”can’tappear. This is mainly because the preposition “in” syllable adjustment function.Based on the above study, when foreign students learn these grammar points,can helpthem reduce errors which may produce.