| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [be] responsible for | 382 |
|
| 2 | [vb past] [be] responsible for | 103 |
|
| 3 | [Wh pn] [vb past] [be] responsible | 18 |
|
| 4 | [Wh pn] [vb past] [be] for | 6 |
|
