The phrase "by that time" is spelled phonetically as /baɪ ðæt taɪm/. The first part of the word, "by," is pronounced as /baɪ/, with the "y" sound being represented by the letter "y." The second part, "that," is pronounced as /ðæt/, with the "th" sound represented by the letters "th." Finally, "time" is spelled as /taɪm/, with the "ai" sound represented by the letters "ai" together. This phrase is commonly used to refer to a specific point in time or a deadline that has already passed.
By that time refers to a specific point or period in the future, typically mentioned or implied in the preceding context. It indicates the point in time at which something is expected to occur or be completed. This phrase is often used to express the idea that a particular event or situation will have already happened or been resolved before the specified time. It is used to establish a reference point for discussing future actions or developments.
When used to describe a past period, by that time indicates a point in the past that has been previously mentioned or is being inferred from the context. It suggests that a specified event or state of affairs had already occurred or come to fruition before the mentioned time. It implies that a certain situation existed, or an event took place, as of the time specified – usually in relation to another event or point of reference.
By that time can also be used to indicate an amount of time that has elapsed since a particular point in the past. For instance, it can be used to express how long has passed since a given event or occurrence.
Overall, by that time is a phrase that establishes a temporal reference point to indicate a specific moment in the future or the past, often to express that an event or situation would have already occurred or been resolved by that specified moment.