| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [been] [verb] | 3931 |
|
| 2 | not [been] [vb pp] | 3689 |
|
| 3 | not [be] seen | 349 |
|
| 4 | [adv] [been] seen | 346 |
|
| 5 | not [been] seen | 136 |
|
| 6 | [not/n't] [been] seen | 136 |
|
| 7 | not [been] see | 111 |
|
