| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] for [noun sg] | 577 |
|
| 2 | [verb] been [vb pp] for [noun sg] | 523 |
|
| 3 | [verb] been developed [prep] [noun sg] | 57 |
|
| 4 | [verb] been developed [prep] [noun sg] | 57 |
|
| 5 | [verb] been developed for [noun] | 18 |
|
| 6 | [verb] been develop for [noun sg] | 14 |
|
| 7 | [verb] been developed for [noun sg] | 13 |
|
| 8 | [verb] be developed for [noun sg] | 13 |
|
| 9 | [verb] [be] developed for [noun sg] | 13 |
|
| 10 | [verb] [been] developed for [noun sg] | 13 |
|
