| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [prep] [det] | 1026 |
|
| 2 | it has been [vb pp] [prep] | 934 |
|
| 3 | it has [vb pp] [prep] [det] | 58 |
|
| 4 | it has been [vb pp] [det] | 55 |
|
| 5 | it has been [prep] [det] | 16 |
|
