| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] | 49363 |
|
| 2 | [modal v] have been [vb pp] | 5959 |
|
| 3 | [modal v] have [vb pp] [prep] | 5871 |
|
| 4 | [modal v] have been [prep] | 1264 |
|
