| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] years [prep] | 113 |
|
| 2 | [prep] a dozen [noun] [prep] | 48 |
|
| 3 | [prep] a dozen [noun pl] [prep] | 45 |
|
| 4 | [prep] a [num] years [prep] | 33 |
|
| 5 | [prep] [art] dozen years [prep] | 6 |
|
| 6 | [prep] [art] dozen years [prep] | 6 |
|
| 7 | [prep] a dozen years [prep] | 5 |
|
| 8 | [prep] a dozen years [prep] | 5 |
|
| 9 | [prep] a dozen years [prep] | 5 |
|
| 10 | [prep] a dozen year [prep] | 5 |
|
| 11 | [prep] a dozen years [prep] | 5 |
|
