| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changes that have [vb pp] | 77 |
|
| 2 | changes that have taken | 36 |
|
| 3 | changes that have take | 36 |
|
| 4 | changes that have occurred | 20 |
|
| 5 | changes that have occur | 20 |
|
