No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] [noun] over a period [prep] | 51 | |
2 | [prep] [noun pl] [prep] a period [prep] | 29 | |
3 | [prep] [noun pl] [prep] a period [prep] | 29 | |
4 | [prep] [noun pl] over a [noun] [prep] | 27 | |
5 | [prep] [noun pl] over a period [prep] | 17 | |
6 | [prep] [noun pl] over [art] period [prep] | 17 | |
7 | [prep] [noun pl] over a period [prep] | 17 |