| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has not been [prep] | 149 |
|
| 2 | has been [prep] [det] | 119 |
|
| 3 | not been [prep] [det] | 81 |
|
| 4 | has not been [det] | 65 |
|
| 5 | has not [prep] [det] | 16 |
|
