must be open vs must be opened

Both phrases are correct, but they are used in different contexts. 'Must be open' is used to indicate a state or condition that is required, while 'must be opened' is used to indicate an action that needs to be performed.

Last updated: April 06, 2024 • 888 views

This phrase is correct and commonly used in English to indicate a required state or condition.

"must be open"

This phrase is used to express that something is required to be in an open state. It is often used in instructions, rules, or guidelines.

Examples:

The door must be open during business hours.
The window must be open to let fresh air in.
The book must be open to page 50 for the exercise.
The store must be open on weekends.
The park must be open to the public.

Show examples from the web [+]

The process of news gathering must be open, honest and beyond bias.
In general the use of appropriations financed though tax revenues must be open.
Europe must be open to everyone.
The Commission must be open with people.
We must be open to new Member States.
We must be open to a cooperation that does not set any geographical limits.
Everything must be open and public.
The offer of development assistance must be open to bids from different yards.
That means that it must be open and transparent in its activities.
In the most complex situations we must be open to that spark of something different.
History must be open to all types of experiences.
Global and local trade must be open, fair, and well-functioning.
Popper's theory that knowledge is provisional and fallible implies that society must be open to alternative points of view.
This means we must be open to new information at all times, even if it threatens our current belief system, and hence, identities.
"The message to young people and families must be open, honest and believable," Blunkett said.
In order to increase the public's understanding of monetary policy and other central bank activities, the ECB must be open and transparent.
We will closely monitor this appointments policy, which must be open and decisive.
Scientists constantly keep revising their theses, which means that we too must be open to new ideas.
The European Union must be open to every citizen, not least, and particularly, for citizens who have complaints.
Stresses that a high-quality education system must be open to everyone;

Alternatives:

needs to be open
should be open
has to be open
is required to be open
is necessary to be open

This phrase is correct and commonly used in English to indicate an action that needs to be performed.

"must be opened"

This phrase is used to express that something needs to be physically opened. It is often used in instructions, procedures, or tasks.

Examples:

The package must be opened carefully.
The letter must be opened before reading it.
The event must be opened with a speech.
The meeting must be opened by the chairperson.
The lock must be opened with the correct key.

Show examples from the web [+]

This must be opened to access.
The container must be opened outdoors and in dry conditions.
Recommendation: bottle must be opened at least two or three hours before drinking.
But before, the door to paradise must be opened.
Service-sector industries throughout the EU must be opened up.
The Council's debates and votes on Community legislation must be opened up.
But first, the door must be opened.
Burma's borders must be opened.
This quota must be opened and administered by the Commission.
Large doors must be opened in large rooms.
Government must be opened up to all.
Their operations must be opened up to public scrutiny and democratic control.
But for such cooperation the heart must be opened and supermundane vibrations this condition is rarely found.
In this house, no door must be opened... without the previous one being closed first.
This document is in both an Adobe.PDF format, and must be opened by an Adobe Reader.
Breathing assistance and oxygen supplementation may be necessary, and if the airway is obstructed it must be opened.
It features exciting information about your company, but like a brochure it must be opened to reveal the rest of the message.
Thine eyes therefore must be opened and thine ears unstopped that a tabernacle, not made with men's hands, which my heavenly Father hath made for me and for the elect.
The inner sterile blister must be opened in a sterile operating room area.
in particular, the body cavity must be opened to permit visual inspection.

Alternatives:

needs to be opened
should be opened
has to be opened
is required to be opened
is necessary to be opened

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must be open vs must be opened

"must be open"

"must be opened"

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