| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] appear to have been | 184 |
|
| 2 | it [verb] to have been | 118 |
|
| 3 | [pers pn] appear to have been | 72 |
|
| 4 | it appear have been | 26 |
|
| 5 | it appear [verb] been | 26 |
|
| 6 | it appear to have be | 25 |
|
| 7 | it appear to have [be] | 25 |
|
| 8 | it appear to have been | 25 |
|
| 9 | it appear [to-vb] been | 25 |
|
| 10 | it appear to have [been] | 25 |
|
