The film was shot over a period of six months.
Let's say the market takes off over a period of weeks or months.
Over a period of months I spent time at three.
However, one has spent £6.4m and the other just 1.2 in the same 3 month period.
It must be let for at least 70 days in the 12 month period.
The election took place over a period of almost two months.
That means often a period of up to three months.
He wrote it over a period of six months in 1994.
It was made in a period of only four months.
Nearly 600 jobs were lost in a period of six months.
