| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [be] [verb] | 3406 |
|
| 2 | [pron] [verb] [be] train | 123 |
|
| 3 | [Wh pn] [verb] [be] train | 33 |
|
| 4 | who [verb] [be] train | 32 |
|
