| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [prep] | 19596 |
|
| 2 | [verb] [be] [prep] | 13918 |
|
| 3 | which [verb] [be] | 6539 |
|
| 4 | which [be] [prep] | 3673 |
|
