No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 773 | |
2 | [verb] [prep] a [adj] period | 425 | |
3 | [verb] [prep] a period [prep] | 418 | |
4 | [verb] [prep] a [adj] [prep] | 340 | |
5 | [verb] a [adj] period [prep] | 180 | |
6 | [verb] [prep] [adj] period [prep] | 84 |