No | Pattern | Freq | Relations |
---|---|---|---|
1 | of [noun] over a period | 20 | |
2 | [prep] [noun pl] over a period | 19 | |
3 | [prep] [noun pl] over a period | 19 | |
4 | of [noun pl] over a [noun] | 17 | |
5 | of [noun pl] [prep] a period | 12 | |
6 | of [noun pl] over [art] period | 11 | |
7 | of [noun pl] over a period | 9 |