Hello there! As an expert in linguistics and language usage, I'm here to provide you with a detailed explanation on the use of "open" versus "opened." Understanding the correct form to use in a sentence can be quite nuanced and depends on the context in which it is used. Let's dive into the intricacies of these two forms.
Firstly, it's important to note that "open" can function as both an adjective and a verb, whereas "opened" is the past tense and past participle form of the verb "to open." Here's a breakdown of when to use each form:


1. As an Adjective:
- "Open" is used to describe something that is not closed or not blocked. For example, "The door is open," means that the door is not shut or locked.


2. As a Verb (Present Tense):
- When "open" is used as a verb in the present tense, it indicates the action of making something not closed. For instance, "She opens the window every morning."


3. As a Verb (Past Tense):
- "Opened" is the past tense form of the verb "to open." It is used to describe an action that has already been completed in the past. For example, "He opened the door himself" means that the action of opening the door has been completed by him at some point in the past.


4. Past Participle:
- "Opened" can also be used as a past participle, often in perfect tenses or as part of passive voice constructions. For example, "The window has been opened," or "The door was opened by him."

Now, let's address the nuance you mentioned regarding the use of "opened" in passive constructions. While it's true that "opened" can be used to indicate that something was in an open state at a past time, it's not always necessary to use the past participle when describing a state. If you want to say that the door was already in an open state, you can simply say, "The door was open," without the "ed" at the end. This is because "open" can also describe a state resulting from a past action, without the need to emphasize the action itself.

It's also worth mentioning that the use of "open" or "opened" can sometimes be influenced by regional dialects or personal preference. Some speakers might prefer to use "opened" to describe a state that resulted from a past action, even when it's not strictly necessary, while others might opt for "open" to keep the sentence concise.

In summary, the choice between "open" and "opened" depends on the intended meaning within the context of the sentence. Use "open" when describing a state or when using the verb in the present tense. Use "opened" when referring to a completed action in the past or when constructing a passive voice or perfect tense.

Now, let's move on to the translation of the explanation into Chinese.

read more >>

'Opened' is 2nd form, apparently it is used in past tense while 'open' is first and third form (depends). You just say " He opened the door himself " as he did, it's past tense and if you want to say the door was already open(ed) you say it was 'open'.Dec 13, 2013read more >>