for是什么意思？英语 词根for的意思

Introduction

For is a common English word that has multiple meanings depending on the context in which it is used. The word comes from the Old English word "for," which means "on account of" or "because of." Over time, the meaning of the word has evolved, and today, it has several different meanings and uses.

For as a Preposition

One of the most common uses of for is as a preposition, which is used to indicate the purpose or intended use of something. Some examples of this include:

1. I bought this book for my sister's birthday present.
2. We need to buy some milk for the recipe.
3. He went to the store for some bread.

In each of these examples, for is used to indicate the reason or purpose for the action. It is important to note that for can also be used as a conjunction, but in this case, it is used to introduce a reason or explanation for something.

For as an Adverb

For can also be used as an adverb, which is used to indicate a duration of time. Some examples of this include:

1. I have been waiting for an hour.
2. She has been studying for three hours.
3. They have been married for ten years.

In each of these examples, for is used to indicate the length of time that has passed since the action began. It is important to note that for can also be used as a conjunction in this context, but it is used to introduce a clause that indicates the duration of time.

For as a Conjunction

As mentioned earlier, for can also be used as a conjunction, which is used to introduce a reason or explanation for something. Some examples of this include:

1. She couldn't come to the party, for she was feeling sick.
2. He didn't finish his homework, for he was too tired.
3. They didn't go on vacation, for they couldn't afford it.

In each of these examples, for is used to introduce a clause that explains the reason for the action or situation. It is important to note that for can also be used as a preposition or adverb in this context, but the meaning and usage may vary depending on the sentence.

Conclusion

For is a versatile word in English that can be used as a preposition, adverb, or conjunction depending on the context. It is important to understand the different meanings and uses of for in order to use it correctly in sentences. By mastering the usage of for, you can improve your English communication skills and express your thoughts and ideas more effectively.