No | Pattern | Freq | Relations |
---|---|---|---|
1 | their [noun] over a [adj] period | 7 | |
2 | their [noun] over a [adj] period | 5 | |
3 | their [noun] over a period [prep] | 5 | |
4 | their [noun] over a period [prep] | 5 | |
5 | their [noun] over a period of | 5 | |
6 | their [noun] over a period of | 5 |