| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [been] | 12017 |
|
| 2 | [verb] not [been] | 9389 |
|
| 3 | have not [been] | 9381 |
|
| 4 | [vb -s] not [been] | 3090 |
|
| 5 | has not [be] | 2941 |
|
