| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [been] [vb pp] [prep] | 1535 |
|
| 2 | appears [to-vb] [been] [vb pp] | 148 |
|
| 3 | appears [to-vb] [vb pp] [prep] | 109 |
|
| 4 | appears [to-vb] [been] [prep] | 22 |
|
