The phrase "accurately how long" is not correct in standard written English.
It can be used when asking for a precise duration of time, but the phrasing is awkward and unclear.
Example: "Can you tell me accurately how long the project will take to complete?"
Alternatives: "exactly how long" or "precisely how long".
Until the new work, nobody knew accurately how long the gas would last in the atmosphere after it leaked out of buildings or grain silos.
The current rules for compassionate release for those with terminal illnesses allow release for prisoners expected to live no longer than three months but doctors often find it difficult to predict accurately how long someone has left to live.
When the main tower at Canary Wharf was proposed in the 1980s, according to Peter Bressington of Arup, an engineering firm that is a prolific builder of skyscrapers, nobody was able to predict accurately how long it would take to evacuate if a fire broke out.
So it's nearly impossible to predict accurately how long someone will live once diagnosed with cancer, and my doctors have never given me a timeframe, other to say they can treat this for years.
Even with a median overestimation of about two weeks, this study among 374 Norwegian mothers showed that they recalled fairly accurately how long they breastfed their child after 20 years.
"But Assad is leaving us with no choice". No one can accurately predict how long the uprising will continue.
However we failed to accurately approximate how long it would take us to finish the project without that.
By measuring how much has decayed, we can very accurately determine how long it's been since they (and the rest of the solar system) were formed.
The data show, among other things, that about 60percentt of borrowers accurately predict how long it will take them finally to repay their payday loans.
'But what hasn't yet been acknowledged is the importance of helping people accurately predict how long a task will take and then helping them keep things on track when they're working through their list or schedule.' Francis-Smythe believes that sending employees on general TM courses is not the best way of helping them become more time-aware.
The Taxi and Limousine Commission is seeking dropoff data as part of Mayor Bill de Blasio's "Vision Zero" initiative to cut down on traffic fatalities, arguing it could more accurately calculate how long drivers are working by examining pickup and dropoff data.
