No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 871 | |
2 | [vb past] [prep] a period [prep] | 50 | |
3 | [vb past] [prep] a [adj] [prep] | 50 | |
4 | [vb past] a [adj] period [prep] | 48 | |
5 | [vb past] [prep] a [adj] period | 33 | |
6 | [vb past] [prep] [adj] period [prep] | 8 |