| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [prep] | 19596 |
|
| 2 | which [vb past] [prep] | 8214 |
|
| 3 | [pron] had [prep] | 4623 |
|
| 4 | which have [prep] | 701 |
|
| 5 | which had [prep] | 279 |
|
