| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] [verb] | 6114 |
|
| 2 | have n't [been] [verb] | 1032 |
|
| 3 | it have n't [verb] | 463 |
|
| 4 | it have n't [been] | 404 |
|
