The phrase "aware for some time" is correct and usable in written English.
It can be used when indicating that someone has had knowledge or consciousness of something for a duration in the past leading up to the present.
Example: "I have been aware for some time that changes were needed in our approach to the project."
Alternatives: "conscious for a while" or "informed for some time".
France has been well aware for some time of the problem of home-grown jihadist recruits.
He said that they had been aware for some time of the growing threat from dissident groups in Northern Ireland.
A party source said Mr Bashir had been aware for some time that he was being investigated and suggested that the suspension was the reason for his defection.
British security services had been aware for some time that a senior al-Qaida operative was in the UK, but did not know who he was.
It's usually the fans who are surprised when a band breaks up; the band themselves have tended to be aware for some time.
However, we have been aware for some time that there is a shortage of nearly 5,000 full time midwives in the UK and I wanted to explain the effects of this.
Looking at Tesco plc's website this morning as its results came through at 7am as a regulatory announcement, it was clear that it had been aware for quite some time that it was not treating its suppliers 'fairly' - and - even worse - that it knew its customers were unimpressed.
"This vote confirms what we've been well aware of for some time," said Helaine Klasky, a Yale spokeswoman.
I'm glad to see someone else has noticed a trend I've been aware of for some time.
Indeed, this is something that Christians have been aware of for some time now; hence the proliferation of online Christian sex shops.
Lupton also emphasises the challenges presented by "the shift of poverty into Outer London" - a phenomenon Outer London boroughs have been aware of for some time - with the change accentuated by the recession, which hit Outer London harder than Inner London.
