| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] those who have [not/n't] [been] | 9 |
|
| 2 | [prep] those who have [not/n't] [been] | 9 |
|
| 3 | those who have [not/n't] [been] [verb] | 12 |
|
| 4 | those who have [not/n't] [been] [vb pp] | 10 |
|
