| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | areas have been [adj] | 17 |
|
| 2 | areas have be [adj] | 17 |
|
| 3 | areas have [been] [adj] | 17 |
|
| 4 | areas have [be] [adj] | 15 |
|
| 5 | areas have [be] [adj] | 9 |
|
| 6 | areas has [be] [adj] | 7 |
|
