once vs once a two months

The correct phrase is "once every two months." The phrase "once a two months" is incorrect and not commonly used in English.

Last updated: March 24, 2024 • 1173 views

once

This phrase is correct and commonly used in English.

The word "once" indicates a single occurrence or instance of something.

Examples:

I go to the dentist once a year.
She visits her grandparents once a month.

Show examples from the web [+]

Because once those cards are dealt...
Brother has flunked university once already.
My people already crossed a desert once.
I've only met Pastor Robinson once before.
The old buzzard almost locked me out once.
Counsel has repeated the question once.
For once, the Professor felt weakened.
Our abilities were professionally assessed more than once.
I tried working more slowly once.
Snipers don't usually hit just once.
I went through something similar once.
And for once the witnesses agree.
The operation has only been performed once before.
Thomas Jefferson once shot a man for treason.
Friend of mine once suggested fishing.
A positive test means she tried it once.
I once felt exactly that way.
But a prisoner escaped there once.
Special enough for promises, once.
Easy-breezy once I had access to their drives.

Alternatives:

once per
once every

once a two months

This phrase is incorrect and not used in English.

Show examples from the web [+]

The patients received one infusion of Aclasta or they received risedronate once a day for two months.
When the complexity of the matter so requires, the two months period may be extended once for a further two months.
I come here about once every two months.
These are transferred to fresh medium at least once every two months.
2. Production units and packing centres carrying out marking as provided for in Article 12 shall be inspected at least once every two months.
The Board of the J oint Committee shall meet at least once every two months.
Production units and packing centres carrying out marking as provided for in Article 12 shall be inspected at least once every two months.
E-mails, phone calls, see each other once every two months?
In the last few years Chodské pivo has been mentioned in the regional and supra-regional press about once every two months on average and over the same period the brewery has received many national and international awards for its products.
7. Production units and packing centres referred to in paragraph 1 shall be inspected at least once every two months. Article 18
Unless there is agreement between the parties to the contrary, the vessel will never be obliged to put into harbour more than once per two months,
Unless there is agreement between the parties to the contrary, the vessel will never be obliged to put into harbour more than once per two month,
Unless there is agreement between the parties to the contrary, the vessel will never be obliged to put into harbour more than once per two months,
Mr President, we have talked in this Chamber about what is happening in Belarus on average once every two months since the beginning of the year - this is now the third time.
(b) Article 35(3) is replaced by the following: "3. Once the two-month period laid down in the first subparagraph of paragraph 2 is over, any quotas which have not been bought by producers shall be permanently bought back."
Once the Quaestors have taken a formal decision, a two-month period begins in which this application must be made.
After my little meltdown, Dr. Shapiro thinks I should come see him once a week for the next two months.
13 women reported seeing Ellis outside their homes over a two-month period.
Not bad after a two-month coma.
We did a two-month assets investigation.

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once vs once a two months

once

once a two months

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