| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb base] been [verb] [prep] | 600 |
|
| 2 | which [vb base] been [vb pp] [prep] | 586 |
|
| 3 | which [verb] been developed [prep] | 53 |
|
| 4 | [pron] [vb base] been developed [prep] | 28 |
|
| 5 | which [vb base] been develop [prep] | 23 |
|
| 6 | which [vb base] [be] developed [prep] | 23 |
|
| 7 | which [vb base] be developed [prep] | 23 |
|
| 8 | which [vb base] [been] developed [prep] | 23 |
|
