| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] year | 491 |
|
| 2 | [prep] a [num] year | 491 |
|
| 3 | to a [num] [noun] | 442 |
|
| 4 | to a [num] [noun sg] | 256 |
|
| 5 | to [art] [num] year | 35 |
|
| 6 | to [art] [num] year | 35 |
|
| 7 | to a [adj] year | 33 |
|
| 8 | to a [num] year | 28 |
|
| 9 | to a [num] year | 21 |
|
| 10 | to a [num] year | 20 |
|
