| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have been [adj] change [prep] | 5 |
|
| 2 | [adv] [vb base] been [adj] changes [prep] | 5 |
|
| 3 | [adv] [vb base] been [adj] change [prep] | 5 |
|
| 4 | [adv] [vb base] been [adj] change [prep] | 5 |
|
