Ago vs. Since

Attribute	Ago	Since
Definition	Indicates a past time period before the present moment	Indicates a starting point in the past leading up to the present moment
Usage	Used to express how much time has passed since an event occurred	Used to express the starting point of a time period that continues up to the present
Examples	2 hours ago, 3 days ago, a week ago	Since yesterday, since last month, since the beginning of the year
Verb Tense	Past tense	Present perfect tense

Definition

Ago and since are both words that are used to indicate a point in time. However, they are used in different contexts and have slightly different meanings. Ago is used to indicate a specific point in the past, while since is used to indicate the starting point of a period of time that continues up to the present.

Usage

Ago is used when referring to a specific point in the past. For example, "I saw her two days ago." Since, on the other hand, is used when referring to the starting point of a period of time that continues up to the present. For example, "I have been working here since 2010."

Time Frame

Ago is used to refer to a point in time that is in the past relative to the present moment. It indicates how much time has passed since that point. Since, on the other hand, is used to refer to a starting point in the past that continues up to the present moment. It indicates the duration of time that has passed since that starting point.

Examples

Here are some examples to illustrate the difference between ago and since:

• "I graduated from college five years ago." (referring to a specific point in the past)
• "I have been living in this city since 2012." (referring to the starting point of a period of time)
• "She left the company two months ago." (referring to a specific point in the past)
• "I have been studying English since I was a child." (referring to the starting point of a period of time)

Similarities

Although ago and since have different meanings and are used in different contexts, they both refer to points in time. They both help to provide a timeline of events and actions. Additionally, they both indicate the passage of time in relation to the present moment.

Conclusion

In conclusion, ago and since are both important words in the English language that help us to indicate points in time and provide context to our statements. While ago is used to refer to a specific point in the past, since is used to refer to the starting point of a period of time that continues up to the present. Understanding the differences between these two words can help us to communicate more effectively and accurately in our writing and speech.