No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] over a period of | 289 | |
2 | [noun sg] over a period [prep] | 168 | |
3 | [noun pl] over a period [prep] | 105 | |
4 | [noun prp] over a period [prep] | 12 | |
5 | place over a period [prep] | 9 | |
6 | [n mass] over a period [prep] | 9 | |
7 | place over a period [prep] | 8 |