| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for use | 28 |
|
| 2 | been [vb pp] for use | 28 |
|
| 3 | been developed for [noun] | 19 |
|
| 4 | be developed for use | 10 |
|
| 5 | [be] developed for use | 10 |
|
| 6 | been developed [prep] use | 5 |
|
| 7 | been develop for use | 5 |
|
| 8 | been developed for use | 5 |
|
| 9 | [been] developed for use | 5 |
|
| 10 | been developed [prep] use | 5 |
|
