| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been some [adj] [noun pl] | 62 |
|
| 2 | have been some [adj] [noun pl] | 50 |
|
| 3 | had been some [adj] [noun pl] | 7 |
|
| 4 | have been some [adj] changes | 5 |
|
