No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] over a period [prep] | 60 | |
2 | [adv prt] over a [noun] [prep] | 54 | |
3 | [adv prt] [prep] a period [prep] | 44 | |
4 | [adv prt] [prep] a period [prep] | 44 | |
5 | [adv prt] over [art] period [prep] | 27 | |
6 | [adv prt] over a period [prep] | 25 | |
7 | [adv prt] over a period [prep] | 25 |