The phrase "an extension could be" is correct and usable in written English.
It can be used when discussing possibilities or options related to an extension, such as in a project or deadline context.
Example: "In our project proposal, we mentioned that an extension could be granted if necessary to ensure quality work."
Alternatives: "a possible extension might be" or "an extension may be".
With Steinbrenner in town for the playoffs, an extension could be imminent...
But blocking an extension could be seen as tantamount to forcing the UK to leave the EU without a deal.
Asked whether an extension could be made to article 50, the timetable which decrees the UK leave on 29 March next year, to allow time for a referendum, May argued this would invalidate the deal agreed in Brussels on Sunday.
The real value in an extension could be that it makes Gordon a more attractive trade asset.
Furthermore, any attempt to extend the SPTT will inevitably fail because the Swiss public is strongly opposed to any extension and an extension could be subject to a public referendum.
If an ortholog was too short to include this peptide, we tested whether an extension could be made to accommodate.
Foreign Secretary Jeremy Hunt said the UK would be faced with three options if Mrs May's deal was defeated again next week: revoke Article 50; leave without a deal; or a longer extension could be granted at an emergency EU summit, but with "onerous conditions".
Glyphosate's current licence is due to run out in June, although a temporary extension could be granted while the EU agrees a position.
After a plan for a commuter-train tunnel under the Hudson River was scrapped, some developers have convinced city officials that a subway extension could be the next best solution.
A natural extension could be collaboration with enterprises to identify the skills necessary for given roles.
Celtic playmaker Kris Commons has revealed that his long-running talks about a contract extension could be resolved soon.
