| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a [noun sg] ago | 17 |
|
| 2 | have [vb pp] a [noun] ago | 15 |
|
| 3 | [vb past] [vb pp] a [noun] ago | 14 |
|
| 4 | had [vb pp] a [noun] ago | 12 |
|
| 5 | [verb] [vb pp] a year ago | 7 |
|
| 6 | [verb] [vb pp] a year ago | 7 |
|
