| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] [adj] [noun] | 6491 |
|
| 2 | at [adv] [adj] [noun pl] | 3781 |
|
| 3 | [prep] [adv] [adj] years | 2652 |
|
| 4 | [prep] [adv] [adj] years | 2652 |
|
| 5 | at [adv] [adj] year | 630 |
|
| 6 | at [adv] [adj] years | 572 |
|
| 7 | at [adv] [adj] years | 571 |
|
