| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been for [noun] | 36 |
|
| 2 | [vb -s] been develop for | 23 |
|
| 3 | been develop for [noun] | 21 |
|
| 4 | [vb -s] been develop [noun] | 5 |
|
