| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had [been] [verb] | 2021 |
|
| 2 | which have [been] develop | 75 |
|
| 3 | which [verb] [been] develop | 75 |
|
| 4 | [pron] had [been] develop | 28 |
|
| 5 | [Wh det] had [been] develop | 16 |
|
| 6 | which [vb past] [been] develop | 16 |
|
| 7 | which had [be] develop | 16 |
|
| 8 | which had [been] develop | 16 |
|
