| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years ago | 9206 |
|
| 2 | twenty years [adv] | 553 |
|
| 3 | twenty [noun] ago | 343 |
|
| 4 | twenty [noun pl] ago | 340 |
|
| 5 | twenty year ago | 327 |
|
