| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been develop for [noun] | 9 |
|
| 2 | [vb base] [been] developed for [noun] | 9 |
|
| 3 | have [been] develop for [noun] | 9 |
|
| 4 | [vb base] [been] develop for [noun sg] | 7 |
|
