| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [is] responsible for [v-ing] [pron] | 7 |
|
| 2 | [Wh pn] [is] responsible for [v-ing] [pers pn] | 6 |
|
| 3 | [Wh pn] is responsible for [v-ing] [pron] | 5 |
|
