| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] for | 4187 |
|
| 2 | [prep] responsibility for | 359 |
|
| 3 | [v-ing] responsibility for | 148 |
|
| 4 | [prep] [v-ing] responsibility | 79 |
|
