| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [vb pp] [prep] | 38845 |
|
| 2 | [be] [vb pp] [prep] [verb] | 5569 |
|
| 3 | to [be] [vb pp] [verb] | 2743 |
|
| 4 | to [be] [prep] [verb] | 116 |
|
