| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] year | 491 |
|
| 2 | [prep] a [num] year | 491 |
|
| 3 | after a [num] [noun] | 182 |
|
| 4 | after a [num] [noun sg] | 155 |
|
| 5 | after a [adj] year | 57 |
|
| 6 | after a [num] year | 55 |
|
| 7 | after [art] [num] year | 48 |
|
| 8 | after [art] [num] year | 48 |
|
| 9 | after a [num] year | 47 |
|
| 10 | after a [num] year | 43 |
|
