| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [prep] a [adj] | 298 |
|
| 2 | developed [prep] a [adj] | 177 |
|
| 3 | [been] developed [prep] a | 52 |
|
| 4 | [been] developed [prep] [adj] | 42 |
|
