| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] | 58900 |
|
| 2 | [vb pp] [prep] [det] | 54085 |
|
| 3 | been [prep] [det] | 1064 |
|
| 4 | been [vb pp] [det] | 831 |
|
