| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it have been | 3393 |
|
| 2 | but [pron] have been | 1301 |
|
| 3 | but [pers pn] have been | 940 |
|
| 4 | but it have [be] | 354 |
|
| 5 | but it have be | 354 |
|
| 6 | but it have been | 353 |
|
| 7 | but it have [been] | 353 |
|
| 8 | but it [verb] been | 353 |
|
