| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [be] [vb pp] [prep] | 695 |
|
| 2 | [to-vb] [pron] [be] [vb pp] [prep] | 296 |
|
| 3 | [to-vb] [Wh det] [be] [verb] [prep] | 262 |
|
| 4 | [to-vb] [Wh det] [be] [vb pp] [prep] | 174 |
|
