| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] [art] | 187291 |
|
| 2 | [is] [verb] [prep] [art] | 35864 |
|
| 3 | [is] [vb pp] [prep] [art] | 30723 |
|
