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