| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [verb] for | 239 |
|
| 2 | not been [vb pp] for | 217 |
|
| 3 | not been seen [prep] | 75 |
|
| 4 | not been seen [prep] | 75 |
|
| 5 | not [be] seen for | 22 |
|
| 6 | not be seen for | 22 |
|
| 7 | [adv] been seen for | 18 |
|
| 8 | not been seen for | 17 |
|
| 9 | not been see for | 17 |
|
| 10 | not [been] seen for | 17 |
|
