No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 773 | |
2 | [adv] [prep] a [adj] period | 162 | |
3 | [adv] [prep] a period [prep] | 138 | |
4 | [adv] [prep] a [adj] [prep] | 113 | |
5 | [adv] a [adj] period [prep] | 53 | |
6 | [adv] [prep] [adj] period [prep] | 24 |