| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] been a change | 9 |
|
| 2 | have [adv] been a change | 9 |
|
| 3 | [verb] also been a change | 6 |
|
| 4 | has [adv] been a change | 6 |
|
