No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [prep] a [num] year period | 66 | |
2 | [noun sg] [prep] a [num] year period | 34 | |
3 | [noun pl] [prep] a [num] year period | 24 | |
4 | [verb] [prep] a [num] year period | 14 | |
5 | [vb pp] [prep] a [num] year period | 14 | |
6 | [adj] [prep] a [num] year period | 6 | |
7 | [noun prp] [prep] a [num] year period | 5 | |
8 | [prep] a [adj] [num] year period | 5 | |
9 | [prep] a [num] year period [prep] | 16 | |
10 | [prep] a [num] year period [prep] | 16 |