| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] been | 2939 |
|
| 2 | has been [prep] | 2086 |
|
| 3 | [not/n't] been [prep] | 983 |
|
| 4 | has [not/n't] [prep] | 46 |
|
