| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] considerable [noun] | 94 |
|
| 2 | have [been] [adj] change | 79 |
|
| 3 | [verb] [been] considerable change | 5 |
|
| 4 | have [be] considerable change | 5 |
|
