| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [prep] | 1243 |
|
| 2 | [modal v] have been [det] | 361 |
|
| 3 | have been [prep] [det] | 146 |
|
| 4 | [modal v] have [prep] [det] | 52 |
|
