| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it have been | 470 |
|
| 2 | [verb] it [verb] been | 470 |
|
| 3 | [verb] [pron] to have been | 74 |
|
| 4 | [verb] [pers pn] to have been | 55 |
|
| 5 | [verb] it to have [be] | 20 |
|
| 6 | [verb] it to have been | 20 |
|
| 7 | [verb] it [to-vb] been | 20 |
|
| 8 | [verb] it to have be | 20 |
|
| 9 | [verb] it to have [been] | 20 |
|
