| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for | 1168 |
|
| 2 | have been [vb pp] for | 874 |
|
| 3 | have been developed [prep] | 132 |
|
| 4 | have been developed [prep] | 132 |
|
| 5 | have been developed for | 53 |
|
| 6 | [verb] been developed for | 53 |
|
| 7 | have been develop for | 29 |
|
| 8 | [vb base] been developed for | 28 |
|
| 9 | have be developed for | 28 |
|
| 10 | have [been] developed for | 28 |
|
| 11 | have been developed for | 28 |
|
| 12 | have [be] developed for | 28 |
|
