from的用法及区别口诀

from的用法及区别口诀

一、Introduction

"From" is a versatile word in the English language that serves multiple purposes and

has various uses. Understanding its correct usage and different contexts is essential for

effective communication. This article will explore the different ways "from" can be used,

including its various meanings, applications, and differences.

二、The Basic Meaning of "From"

1. Starting Point or Origin

One primary use of "from" is to indicate the starting point or origin of something.

For instance:

- I am from New York.

- The train departs from Platform 3.

- He received a letter from his friend.

In these examples, "from" shows where someone or something originates or begins.

2. Diversion or Detour

Another meaning of "from" is to express a diversion or detour from a particular

course or path:

- We took a different route from the usual one.

- She deviated from her original plan and opted for an alternative approach.

三、Specific Uses of "From"

1. Distance and Time

"From" can also be used to indicate distance or time between two points:

- The airport is ten kilometers away from here.

- They arrived at school late morning, around fifteen minutes from now.

Here, "from" provides information about the measurement or interval separating two

locations or moments in time.

2. Source or Supplier

Additionally, "from" denotes the source or supplier of something:

- I bought this dress from a local boutique.

- He received news updates from reliable sources.

In these cases, "from" clarifies where something was obtained or derived.

3. Agent Noun Construction

Moreover, "from" can form an agent noun with certain verbs, indicating who

performs an action:

- She learned this skill from her teacher.

- They heard the news directly from their manager.

In these sentences, "from" specifies who taught or conveyed information to someone

else.

四、Differentiating "From" from Similar Words

1. "From" vs. "To"

While both "from" and "to" involve indicating a starting point and a destination, they

differ in their respective roles. "From" signifies the origin or starting point, while "to"

represents the endpoint or destination:

- I am traveling from New York to Los Angeles.

- The package was sent from Paris to Rome.

In these examples, the distinction between "from" and "to" is crucial in

understanding the travel routes.

2. "From" vs. "Since"

Although both words can refer to the beginning of a time period, they have distinct

applications. Use "from" when discussing a specific starting point, whereas use "since"

when referring to an ongoing time frame:

- She has been working here since 2005.

(Since indicates an ongoing period)

- He worked here from 2010 to 2015.

(From specifies a specific time range)

By using the correct word, clarity can be achieved in expressing durations.

五、Conclusion

Understanding the various uses of the word "from" is crucial for effective

communication in English. Whether it's denoting origin, diversion, distance/time,

source/supplier, or agent noun construction, knowing how to correctly apply this word

enhances language proficiency. By differentiating "from" from similar words such as "to"

and "since," one can ensure accurate expression in different contexts.