| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at one [noun] | 3605 |
|
| 2 | [prep] one year | 760 |
|
| 3 | [prep] one year | 760 |
|
| 4 | at [adj] year | 541 |
|
| 5 | at [num] year | 262 |
|
| 6 | at one year | 30 |
|
| 7 | at one year | 30 |
|
