| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have developed [prep] a [noun] | 6 |
|
| 2 | which have developed [prep] a [noun] | 6 |
|
| 3 | which have developed a [adj] [noun] | 9 |
|
| 4 | which have developed a [adj] [noun] | 9 |
|
