| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] ago have [been] | 7 |
|
| 2 | [noun pl] ago have [been] | 7 |
|
| 3 | years ago have [been] | 7 |
|
| 4 | year ago have [been] | 7 |
|
| 5 | ago have [been] [verb] | 9 |
|
| 6 | ago have [been] [vb pp] | 7 |
|
