| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [det] [noun pl] ago [noun] | 41 |
|
| 2 | a [det] [noun pl] ago [noun prp] | 27 |
|
| 3 | [det] [noun pl] ago [noun] [noun prp] | 13 |
|
| 4 | a [det] [noun pl] [noun] [noun prp] | 8 |
|
