| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] [be] | 17709 |
|
| 2 | [be] [vb pp] [prep] [be] | 13280 |
|
| 3 | [be] [vb pp] [prep] [be] | 12586 |
|
