| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [verb] | 26070 |
|
| 2 | which is [verb] | 7063 |
|
| 3 | is [pron] [verb] | 4784 |
|
| 4 | which is [pron] | 987 |
|
