No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] [prep] a period of | 129 | |
2 | [adv] [prep] a period of | 129 | |
3 | [adv] over a [noun] of | 114 | |
4 | [adv] over [art] period of | 68 | |
5 | [adv] over [art] period of | 68 | |
6 | [adv] over a period [prep] | 60 | |
7 | [adv] over a period [prep] | 60 | |
8 | [adv] over a period of | 60 | |
9 | [adv] over a period of | 60 | |
10 | [adv] over a period of | 60 |