The phrase "considerable time ago" is correct and can be used in written English.
It can be used to refer to a period of time in the past that is not specified, but which is known to have been relatively long. For example: "The castle was built a considerable time ago, but it is still in excellent condition."
" Whilst N.B.A.D. could have printed a considerable time ago, a key objective for printing in the Australian dollar and in fact any new market was to gain diversification of our funding base, and as such we had a clear requirement that any inaugural Australian-dollar trade would need to have at least 50 percent placed into the domestic accounts," said Stephen Jordan, the bank's group treasurer.
On passing sentence, District Judge Khalid Qureshi said the jail term had been suspended due to the previous offences taking place a "considerable time" ago.
Furthermore, the diffusive lifetime of electron irregularities can be hours depending on the aerosol radius such that it appears likely that at low altitudes, where we expect the presence of large particles, irregularities exist even though neutral air turbulence might have ceased a considerable time ago.
Hunt said: "Many of these bodies were set up a considerable length of time ago, and times and demands have changed.
Senator John Kerry, Democrat of Massachusetts and a leading advocate of action said of the report, "It confirms in stark terms the reality that many of us had accepted a considerable amount of time ago and refutes an effort by the White House to seek some sort of escape hatch from that reality".
The races are found to have a mosaic like genome structure and that races diverged a considerable amount of time ago. A. candida is host specific, and thus races associated with a given host are not expected to cross breed with those on another host; the authors established presence of recombination blocks.
Ten years ago I spent considerable time roaming about Russia, reporting on a three-part series for The New York Times on the state of cultural life in that vast and unsettled country.
The current ideas, their underlying rationale, their apparent sensibility or utility and the ambition behind their introduction were all convincing and credible some time ago, even though it took considerable time for them to win their place.
There are more rankings today than 10 years ago, and schools are devoting considerable time and resources to meet the demands of ranking entities (Businessweek, Economist, Financial Times, Forbes, and US News & World Report).
This is likely to take considerable time; NOD2 was identified more than 10 years ago, and there is still uncertainty about its function.
