| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] for | 1650 |
|
| 2 | has [been] [vb pp] for | 1373 |
|
| 3 | has [been] developed [prep] | 174 |
|
| 4 | has [been] developed [prep] | 174 |
|
| 5 | have [been] developed for | 53 |
|
| 6 | [verb] [been] developed for | 53 |
|
| 7 | has [been] develop for | 23 |
|
| 8 | has [been] developed for | 21 |
|
| 9 | [vb -s] [been] developed for | 21 |
|
| 10 | has [be] developed for | 21 |
|
