| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [adv] been | 3054 |
|
| 2 | [pron] have not been | 2378 |
|
| 3 | [pers pn] have not been | 1687 |
|
| 4 | it have [not/n't] been | 954 |
|
| 5 | it have not been | 954 |
|
| 6 | it have not [be] | 552 |
|
| 7 | it have not be | 552 |
|
| 8 | it [verb] not been | 550 |
|
| 9 | it have not been | 550 |
|
| 10 | it have not [been] | 550 |
|
