| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] a [adj] [noun] ago | 10 |
|
| 2 | it [vb past] a [adj] [noun pl] ago | 8 |
|
| 3 | it [vb past] a few [noun] ago | 6 |
|
| 4 | it [vb past] a [adj] year ago | 6 |
|
| 5 | it [vb past] a few [noun] ago | 6 |
|
| 6 | it [vb past] a [adj] years ago | 6 |
|
| 7 | it [vb past] a [det] [noun] ago | 6 |
|
