| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] year [adv] at [art] [noun] | 36 |
|
| 2 | [num] year [adv] at [art] [noun sg] | 31 |
|
| 3 | [num] [noun] [adv] at [art] time | 13 |
|
| 4 | [adj] year [adv] at [art] time | 12 |
|
| 5 | [num] year [adv] [prep] [art] time | 9 |
|
| 6 | [num] year [adv] at [art] time | 9 |
|
| 7 | [num] year [adv] at [art] time | 9 |
|
| 8 | [num] year [adv] at [art] time | 9 |
|
| 9 | [num] year [adv] [prep] [art] time | 9 |
|
