No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 773 | |
2 | [vb pp] [prep] a [adj] period | 266 | |
3 | [vb pp] [prep] a period [prep] | 232 | |
4 | [vb pp] [prep] a [adj] [prep] | 139 | |
5 | [vb pp] [prep] [adj] period [prep] | 44 | |
6 | [vb pp] a [adj] period [prep] | 21 |