| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] responsible for [verb] | 88 |
|
| 2 | it [is] [adj] for [verb] | 59 |
|
| 3 | it [be] responsible for [verb] | 15 |
|
| 4 | it [is] responsible [prep] [verb] | 11 |
|
