| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] of [noun] | 1359 |
|
| 2 | [prep] [adj] years of [noun] | 708 |
|
| 3 | at [adj] [noun pl] of [noun] | 592 |
|
| 4 | at [adj] years [prep] [noun] | 69 |
|
| 5 | at [adj] year of [noun] | 64 |
|
