| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] [prep] | 42955 |
|
| 2 | [prep] be [vb pp] [prep] | 42872 |
|
| 3 | to be [verb] [prep] | 41004 |
|
| 4 | to [be] [vb pp] [prep] | 39071 |
|
| 5 | to be [vb pp] [prep] | 39070 |
|
