| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] not having been | 20 |
|
| 2 | [prep] not [v-ing] been | 20 |
|
| 3 | at not [v-ing] been | 7 |
|
| 4 | at not [v-ing] been | 7 |
|
| 5 | for not [v-ing] been | 5 |
|
| 6 | for not [v-ing] been | 5 |
|
