| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] a [noun] | 3682 |
|
| 2 | [num] [prep] [art] year | 192 |
|
| 3 | [num] [prep] [art] year | 192 |
|
| 4 | [adj] [prep] a year | 116 |
|
| 5 | [num] [prep] a year | 27 |
|
