| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] appear to [be] | 170 |
|
| 2 | [prep] [Wh det] [vb mod] to [be] | 108 |
|
| 3 | [Wh det] [vb mod] appear to [be] | 35 |
|
| 4 | [prep] [Wh det] [vb mod] appear to | 7 |
|
