it is supposed that vs supposing that

Both "it is supposed that" and "supposing that" are correct, but they are used in different contexts. "It is supposed that" is used to introduce a belief or assumption, while "supposing that" is used to introduce a hypothetical situation or condition.

Last updated: March 26, 2024 • 1311 views

This phrase is correct and commonly used in English to introduce a belief or assumption.

"it is supposed that"

This phrase is used to introduce a belief or assumption that is generally accepted or expected.

Examples:

It is supposed that he will arrive by noon.
It is supposed that the meeting will be postponed.
It is supposed that she is the new manager.

Show examples from the web [+]

6 days ago ... Throughout this work, it is supposed that in the initial state the two surfaces are not in contact. From the Cambridge English Corpus.
Though the reason for this behavior is not totally understood, it is supposed that it serves as a means of storing food, and also to assist in tearing apart ...

Alternatives:

It is believed that
It is thought that
It is assumed that
It is expected that
It is rumored that

This phrase is correct and commonly used in English to introduce a hypothetical situation or condition.

"supposing that"

This phrase is used to introduce a hypothetical situation or condition, often followed by a statement or question.

Examples:

Supposing that it rains, what will we do?
Supposing that she doesn't show up, who will take her place?
Supposing that we win the lottery, what would you do?

Show examples from the web [+]

But supposing that the crime had not been committed earlier, but later than 1:15 when all the noises and incidents designed to confuse me had died down.
Even supposing that average prices in the EU increase by less than 4 %, the tariff advantage for Alcoa would still increase in absolute terms.
Just supposing that I were to tell you... that this is the end of the line.
Supposing that patient is Miss Froy.
Even supposing that this exemption has an economically limited scope, it nonetheless relieves exempt 1929 holding companies of a charge normally borne by companies in Luxembourg.
Even supposing that this withholding tax exemption benefits directly the income recipients, and only indirectly exempt 1929 holding companies, the Commission considers that it nonetheless has the effect of relieving the latter of charges normally borne by distributing companies taxable in Luxembourg.
Thus, supposing that the rateable value of BT's whole network was attributed to its optic fibre network (7300000 km in 2005), the annual rateable value per km of fibre would be GBP 74.
Supposing that this were not the case, we should still have to negotiate with the Chinese on matters in which the Union has a particular interest.
Supposing that I thought of something.
Supposing that the rich countries do pledge to provide the funding requested by the poor countries, how can that money be divided between the different countries?
Where you're mistaken is in supposing that Jean Brodie is unique.
Even supposing that employers had understood the economic advantages of correct payment and their legal obligations, difficulties are insurmountable.
I cannot abide one more day with you supposing that...
Where there are grounds for supposing that an offence within the meaning of Article 7a(1) has been committed, the European Public Prosecutor shall open an investigation.
It is not always easy to succeed in eradicating particular situations in countries that have a very weak legal system, always supposing that they have any.
Really, Lois, supposing that man had shot you?
A provisional maximum residue limit may be established in cases where scientific data are incomplete, provided that there are no grounds for supposing that residues of that substance at the level proposed constitute a hazard to human health.
the competent authority of a Member State has grounds for supposing that a saving of tax may result from artificial transfers of profits within groups of enterprises;
Taking into account the cashed amounts for items 6150 and 6157 and supposing that these amounts will be not used this year to make the appropriations available once again, an amount of EUR 360 million is proposed to be budgeted.
Might I be right in supposing that you are doing this for the benefit of all, Daniel?

Alternatives:

Assuming that
If
In the event that
Hypothetically speaking
Imagine that

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it is supposed that vs supposing that