| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been for [adj] [noun] | 106 |
|
| 2 | have been developed for [noun] | 18 |
|
| 3 | have been developed for [adj] | 13 |
|
| 4 | been developed for [adj] [noun] | 11 |
|
