| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] | 477793 |
|
| 2 | be [vb pp] [prep] | 477770 |
|
| 3 | [is] [vb pp] [prep] | 72850 |
|
| 4 | 's [verb] [prep] | 6638 |
|
| 5 | 's [vb pp] [prep] | 2046 |
|
