| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | area which [vb base] to be [verb] | 6 |
|
| 2 | area which [vb base] [prep] be [verb] | 6 |
|
| 3 | area which [vb base] to be [verb] | 6 |
|
| 4 | area which [vb base] [prep] be [verb] | 6 |
|
