| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [adv] [noun] | 483 |
|
| 2 | about [adj] years [adv] | 471 |
|
| 3 | about [adj] [adv] [noun] | 23 |
|
| 4 | about [adj] years [noun] | 14 |
|
