| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] | 58900 |
|
| 2 | have been [vb pp] | 21750 |
|
| 3 | have [vb pp] [prep] | 13058 |
|
| 4 | have been [prep] | 1440 |
|
