will be vs must be

The phrases 'will be' and 'must be' have different meanings and are used in different contexts. 'Will be' is used to express future certainty or prediction, while 'must be' is used to express necessity or strong probability. They are not interchangeable as they convey different levels of certainty or obligation.

Last updated: March 08, 2024 • 953 views

The phrase 'will be' is correct and commonly used in English to express future certainty or prediction.

"will be "

Use 'will be' to talk about something that is expected or predicted to happen in the future.

Examples:

She will be at the meeting tomorrow.
The package will be delivered by Friday.
I will be there at 3 p.m.

Show examples from the web [+]

No doubt that will be where the votes will be concentrated on Wednesday.
Any future efforts and/or refinement will be concentrated in this area and multilingual capability will be integral to the process.
Your PC resources will be compromised and certain functions will be disabled.
Groupings will be export company-specific and will be modified for each shipment, as required.
No amount will be charged but a pre-authorisation will be made.
These will be constructed under a separate contract that will be announced soon.
That money will be considered terrorist funds and your mother will be jailed.
There will be 'early when a check will be required payments for their acquisitions.
The first stage will be powered by seven BE-4 engines and will be reusable, landing vertically.
Image will be published 7000 postcards will be distributed at points of information Bilbao.
There will be great tribulation, for these will be the days of gentile vengeance.
The assailant will be found and justice will be served.
When the updating process is completed, the firmware will be installed previous version will be replaced.
The irregularities will be perfectly disguised, while the lack of volume will be gently compensated.
The decision will be final and it will be announced by March 15th, 2016.
Each piece will be produced limitedly, only 25 products will be sold world wide.
Moreover, religious parties will be banned and judicial monitoring of elections will be abolished.
Funding will be maintained also in 2010, and the initial allocation will be defined shortly.
The service provider will be EFFP who were selected and will be remunerated according to market principle.
The study will be commissioned shortly and its findings will be published next summer.

Alternatives:

is going to be
is expected to be
is predicted to be
is likely to be
is scheduled to be

The phrase 'must be' is correct and commonly used in English to express necessity or strong probability.

"must be"

Use 'must be' to indicate a strong obligation, necessity, or high probability of something being true.

Examples:

You must be joking!
It must be the right way to go.
He must be at home by now.

Show examples from the web [+]

So the greatest penitence must be ours.
A young program decides Clu must be stopped.
Children must be corrected for their faults.
All incoming test subjects must be examined.
There must be a second payment.
There must be some mistake then.
Grayson must be covering his tracks.
A tribute must be paid, nonetheless.
This must be what he meant by vulnerable.
Papa says mission must be completed.
King George's carriage must be spotless for tomorrow'souourney.
It must be rabies or something.
The Northeast map must be completed soon.
Arrestees must be in possession of identity cards.
All the guilt must be exhausting.
Widows must be open in laboring.
Paris must be flattened, especially the Opera.
You must be a man worth knowing.
Clearly your mother must be someone of impeccable taste.
Then this must be Calaca's finger.

Alternatives:

has to be
should be
is likely to be
is probably
is almost certainly

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will be vs must be

"will be "

"must be"

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