| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [prep] a [adj] | 259 |
|
| 2 | have [been] responsible [prep] [adj] | 52 |
|
| 3 | have [been] responsible [prep] a | 14 |
|
| 4 | [been] responsible [prep] a [adj] | 8 |
|
