The difference and usage of open and close

The difference and usage of open and close

When a verb is used, they are a pair of antonyms
For example: open the door open the door close the door
The door is open
The adjective "close" does not mean "closed", but means "closed"

Usage of open and close Let's talk about the difference between close and closed, as well as the difference between open and opend

Close is a verb, which means an action of closing
Closed is an adjective, which means a state of being closed
We keep a close watch on the prisoners.
We keep a close watch on the prisoners
Not ventilated; stuffy
close weather
Muggy weather
It's very close in here.Would you mind opening the window?
"It's too stuffy in here. Will you open the window?"
The door is closed
opened
Vbl. Open, open, open; adj
The ranks opened.
The team broke up
To be opened.
Opened
It was opened in 1955.
It opened in 1955
Opened a financial consultancy.
Started a financial consulting company
The door opened slowly.
The door opened slowly
open
adj.
It's on
Open
Beginning to work; active; in motion; on the stage
Open; shared
Open; frank
Undecided
Scattered; sparse
Not frozen; temperate
Unprotected
Not to press; open; empty
Unobstructed (defecation)
Not restricted by law; not prohibited; not subject to customs duties; free
Susceptible to
Wide spaced
Fogless
Porous; reticulated
an open window
Open windows
an open field
Open fields
an open letter
open letter
an open manner
A forthright attitude
an open city
Unprotected City
an open port
Freeport
open door
Open door
be open to an attack

Difference and usage of open opened closed close

Open can be used as a verb, meaning "open", the antonym is "close", meaning "close"
Open can also be used as an adjective, meaning "open", the antonym is "closed", meaning "closed"
Open / close the door
The door is open / closed

The noun form of open

The noun form is also open

Open can be used as a noun Open can be used as a noun, if so, for example If not, what is its noun, for example

Yes, wilderness
We spent night in the open
Another noun, opening
Orifice
development
the opening quotation
open up
vacancy
hole
mouth
Would you mind opening the door?

Can open sesame be used as a noun?

sure
The original intention is to open sesame door, metaphor over the secret of difficulties, the key to success
Wealth is an open sesame to many society
Wealth is the gateway to many social activities!

Which is both a noun and an adjective

Close means close, which is a verb. The adjective closed should be closed. Open means open and open. It is both a verb and an adjective

Is open 24 hours a noun or an adjective

noun

Specific differences between open and opened~~ It's easy. It's better to have an example~~

Open has two parts of speech -- verb and adjective
I want to open the door
The door is open. The door is open
Open is not an adjective, but the past tense, past participle and passive form of open
The door is opened by me
As a past participle, opened can sometimes be used as an adjective, such as an opened door. But when describing the state of a door open, we should not use opened as an adjective, but use open, which is a mistake that some people often make

The difference between be open and opened

Eg: will you be open on Christmas Eve? opened:v A window of a house opened and a small man ruled out