| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] year ago [noun prp] | 170 |
|
| 2 | twenty year ago [noun] | 10 |
|
| 3 | twenty year [adv] [noun prp] | 8 |
|
| 4 | twenty [noun] ago [noun prp] | 5 |
|
