| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be responsible for the | 13 |
|
| 2 | [vb base] [be] responsible for the | 13 |
|
| 3 | [vb base] been responsible for the | 12 |
|
| 4 | [vb base] [been] responsible for the | 12 |
|
