| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] in | 12471 |
|
| 2 | [is] [vb pp] [be] | 888 |
|
| 3 | [vb pp] [be] in | 190 |
|
| 4 | [is] [be] in | 30 |
|
