| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been developed [prep] [noun] | 136 |
|
| 2 | been [verb] [prep] use | 41 |
|
| 3 | been [vb pp] [prep] use | 40 |
|
| 4 | [be] developed [prep] use | 10 |
|
| 5 | be developed [prep] use | 10 |
|
| 6 | been develop [prep] use | 5 |
|
| 7 | [been] developed [prep] use | 5 |
|
| 8 | been developed [prep] use | 5 |
|
