| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [det] changes | 22 |
|
| 2 | been [det] change | 15 |
|
| 3 | been some change | 10 |
|
| 4 | been many change | 9 |
|
| 5 | been little change | 6 |
|
| 6 | been any change | 6 |
|
