| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have [been] change [prep] | 19 |
|
| 2 | there have been change [prep] | 19 |
|
| 3 | there have [been] changes [prep] | 19 |
|
| 4 | there have [been] change [prep] | 17 |
|
| 5 | there have [been] change in | 11 |
|
| 6 | there have [been] change in | 11 |
|
