| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb -s] not [been] [verb] | 466 |
|
| 2 | which [vb -s] [adv] [been] [verb] | 443 |
|
| 3 | which [verb] not [been] [verb] | 259 |
|
| 4 | which [vb -s] not [be] [verb] | 105 |
|
