| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] year [adj] | 191 |
|
| 2 | [prep] a [num] year [adj] | 191 |
|
| 3 | on a [num] [noun] [adj] | 35 |
|
| 4 | on a [num] [noun sg] [adj] | 24 |
|
| 5 | on [art] [num] year [adj] | 15 |
|
| 6 | on [art] [num] year [adj] | 15 |
|
| 7 | on a [num] year [adj] | 11 |
|
| 8 | on a [adj] year [adj] | 10 |
|
| 9 | on a [num] year [adj] | 10 |
|
| 10 | on a [num] year [adj] | 10 |
|
