| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [been] [prep] | 983 |
|
| 2 | having [been] [prep] | 159 |
|
| 3 | [not/n't] having [been] | 55 |
|
| 4 | [not/n't] having [prep] | 7 |
|
