| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [be] [vb pp] [prep] | 3091 |
|
| 2 | [is] [be] [vb pp] [prep] | 3091 |
|
| 3 | [be] [be] [vb pp] at | 489 |
|
| 4 | [is] [be] [verb] at | 205 |
|
| 5 | [is] [be] [vb pp] at | 204 |
|
