| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] [been] | 9384 |
|
| 2 | have [been] recognised | 175 |
|
| 3 | have [not/n't] recognised | 24 |
|
| 4 | [not/n't] [been] recognised | 11 |
|
