| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to a [adj] [noun pl] ago | 7 |
|
| 2 | to a [det] [noun pl] ago | 6 |
|
| 3 | to a few [noun pl] ago | 6 |
|
| 4 | to a few [noun pl] ago | 6 |
|
| 5 | to a [adj] years ago | 5 |
|
