No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] period [prep] | 26 | |
2 | [adv] period of | 21 | |
3 | [adv] period of | 21 | |
4 | [adv] periods [prep] | 17 | |
5 | [adv prt] period [prep] | 14 | |
6 | [adv] period [prep] | 9 | |
7 | [adv] period [prep] | 9 | |
8 | up period [prep] | 7 | |
9 | up period [prep] | 7 |