| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [verb] to [be] | 713 |
|
| 2 | [prep] [Wh det] [verb] to [be] | 451 |
|
| 3 | [prep] which [verb] [prep] [be] | 50 |
|
| 4 | [prep] which [verb] to [be] | 50 |
|
