The phrase "during the time preceding" can be substituted by various synonyms depending on the specific context and intended meaning. Some possible alternatives include "prior to," "before," "preliminary to," "in advance of," and "preceding." Other options may include "leading up to," "beforehand," "in anticipation of," "earlier than," and "prior to the occurrence of." It is important to consider the subtle differences in meaning among these phrases and choose the most appropriate one that accurately conveys the intended message. Varying the language and choosing the most apt phrase will add depth and clarity to any writing.