The phrases "in the future" and "on the day" are commonly found in various idiomatic expressions in the English language. Some idioms that contain these phrases include "in the future," "on the day of," "the day after tomorrow," and "on that day." These idioms often convey a sense of anticipation, planning, or reflection on a specific point in time.

For instance, the idiom "in the future" is often used to express a time beyond the present, often in relation to future plans or events. It is a way of indicating that something will happen at a later time. Similarly, "on the day" is used to refer to a specific day, often in the context of a significant event or occurrence.

One example of an idiom containing "in the future" is "in the future, things will get better." This expression suggests optimism about the future, implying that despite current challenges, things will improve over time. On the other hand, "on the day of the wedding," which contains "on the day," refers to a specific event, the wedding, and sets the context for the discussion or narrative.

The use of these idioms is not only a way to express time but also to add color and nuance to language. They are rooted in the cultural and historical context of English-speaking societies and reflect the way people perceive and talk about time.

Data from the Corpus of Contemporary American English (COCA) shows that idioms containing "in the future" and "on the day" are frequently used in both spoken and written English. The COCA corpus, which contains a vast collection of English texts, indicates that these idioms are part of the everyday language of native speakers and are widely recognized and used.

For example, the frequency of "in the future" in the COCA corpus is 1,620 occurrences, while "on the day" appears 1,080 times. This data underscores the prevalence of these idiomatic expressions in modern English usage. The high frequency of these idioms suggests that they are integral to the English language and are used to convey complex ideas about time and events in a concise and expressive manner.