| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [verb] [prep] | 1591 |
|
| 2 | appear [to-vb] been [verb] | 87 |
|
| 3 | appear [to-vb] [verb] [prep] | 50 |
|
| 4 | appear [to-vb] been [prep] | 10 |
|
