| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [been] | 12017 |
|
| 2 | [verb] not [been] | 6512 |
|
| 3 | have not [been] | 6508 |
|
| 4 | has [not/n't] [been] | 2939 |
|
| 5 | has not [been] | 2936 |
|
| 6 | [vb -s] not [been] | 2339 |
|
| 7 | has not [be] | 2191 |
|
