| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] changes | 34 |
|
| 2 | have been [det] changes | 15 |
|
| 3 | have been many changes | 7 |
|
| 4 | have been many changes | 7 |
|
| 5 | have been major changes | 6 |
|
| 6 | have been major changes | 6 |
|
| 7 | have been some changes | 5 |
|
| 8 | have been some changes | 5 |
|
